Platbeka anaso: Malsamoj inter versioj

* {{Cite journal | last1 = Yamashina | first1 = Y. | year = 1948 | title = Notes on the Marianas mallard | url = | journal = Pacific Science | volume = 2 | issue = | pages = 121–124 }}

* {{Cite journal | last1 = Young | first1 = H. Glyn | last2 = Rhymer | first2 = Judith M. | year = 1998 | title = Meller's duck: A threatened species receives recognition at last | url = | journal = Biodiversity and Conservation | volume = 7 | issue = 10| pages = 1313–1323 | doi = 10.1023/A:1008843815676 }}

 

== Eksteraj ligiloj ==