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* {{cite journal|first=David R.|last=Olson|year=1996|title=Language and Literacy: what writing does to Language and Mind|journal=Annual Review of Applied Linguistics|volume=16|pages=3–13|doi=10.1017/S0267190500001392|ref=harv}}
* {{cite book |last= Payne |first= Thomas Edward |title= Describing morphosyntax: a guide for field linguists |publisher= Cambridge University Press |year= 1997 |pages= 238–241 |url= http://books.google.com/books?id=LC3DfjWfCiwC&pg=PA239&lpg=PA239&dq=%22perfect+aspect%22+%22perfective+aspect%22&ct=result#PPA238,M1|ref=harv}}
* {{cite book|last=Pinker|first=Steven|authorlink=Steven Pinker|year=1994|title=[[The Language Instinct|''The Language Instinct: How the Mind Creates Language'']]|publisher=Perennial|ref=harv}}
* {{cite book|last=Romaine|first=Suzanne|year=2001|chapter=Multilingualism|pages=512–533|title=The Handbook of Linguistics|editor=Mark Aronoff|editor2=Janie Rees-Miller|publisher=Blackwell|ref=harv}}
:* {{cite book|last=de Saussure|first=Ferdinand |authorlink=Ferdinand de Saussure|year=1983|origyear=1913|title=[[Course in General Linguistics]]|editor-first=Charles |editor-last=Bally |editor2-first=Albert |editor2-last=Sechehaye|others= Translated by Roy Harris|location=La Salle, Illinois|publisher=Open Court|isbn=0-8126-9023-0|ref=CITEREFSaussure1983|ref=harv}}
:* {{cite book|last=Sandler|first=Wendy|last2=Lillo-Martin|first2=Diane|year=2001|chapter=Natural Sign Languages|pages=533–563|title=The Handbook of Linguistics|editor=Mark Aronoff|editor2=Janie Rees-Miller|publisher=Blackwell|ref=harv}}
:* {{cite book|year=2008|title=Systems of Nominal Classification|editor=Senft, Gunter|publisher=Cambridge University Press|ref=harv|isbn= 978-0-52-106523-8|ref=CITEREFSenft2008}}
:* {{Cite journal | doi = 10.2307/409603 | last1 = Swadesh | first1 = Morris | authorlink = Morris Swadesh | year = 1934 | title = The phonemic principle | jstor = 409603| journal = Language | volume = 10 | issue = 2| pages = 117–129 }}
:* {{cite book|last=Tomasello|first=Michael|authorlink=Michael Tomasello|editor=B. Velichkovsky and D. Rumbaugh|title=Communicating Meaning: The Evolution and Development of Language|year=1996|publisher=Psychology Press|isbn=978-0-8058-2118-5|pages=275–308|chapter=The Cultural Roots of Language|ref=harv}}
:* {{cite book|last=Tomasello|first=Michael|year=2008|title=Origin of Human Communication|publisher=MIT Press|ref=harv}}
:* {{cite book |last= Thomason|first=Sarah G.|authorlink=Sarah Thomason|first2=Terrence|last2=Kaufman|authorlink2=Terrence Kaufman|title=Language Contact, Creolization and Genetic Linguistics|publisher=University of California Press|year=1988|ref=harv}}
:* {{cite book |last= Thomason|first=Sarah G.|authorlink=Sarah Thomason|title=Language Contact - An Introduction|publisher=Edinburgh University Press|year= 2001|ref=harv}}
:* {{cite book|last=Trask|first=Robert Lawrence|authorlink=Larry Trask|title=Language: The Basics|year=1999|edition=2nd|publisher=Psychology Press|ref=harv}}
:* {{cite book|last=Trask|first=Robert Lawrence|authorlink=Larry Trask|editor-last=Stockwell|editor-first=Peter|title=Language and Linguistics: The Key Concepts|year=2007|edition=2nd|publisher=Routledge|ref=harv}}
:* {{cite book|last=Ulbaek|first=Ib|year=1998|chapter=The Origin of Language and Cognition|title=Approaches to the evolution of language|editor=J. R. Hurford & C. Knight|pages=30–43|publisher=Cambridge University Press|ref=harv}}
:* {{cite book|last=Van Valin|first=jr, Robert D.|authorlink=Robert Van Valin, Jr.|year=2001|chapter=Functional Linguistics|pages=319–337|title=The Handbook of Linguistics|editor=Mark Aronoff|editor2=Janie Rees-Miller|publisher=Blackwell|ref=harv}}
:* {{cite book|last=Zentella|first=Ana Celia|editor1-last=García|editor1-first=Ofelia|editor2-last=Fishman|editor2-first=Joshua|chapter=Spanish in New York|title=The Multilingual Apple: Languages in New York City|publisher=Walter de Gruyter| year=2002|ref=harv}}
== Historio de lingvo ==
| 