Sraml M.; Christidis L.; Easteal S.; Horn P. & Collet C. (1996): Molecular Relationships Within Australasian Waterfowl (Anseriformes). Australian Journal of Zoology44(1): 47-58. doi:10.1071/ZO9960047 (Tóm tắt HTML)
Burney David A.; James Helen F.; Burney Lida Pigott; Olson Storrs L.; Kikuchi William; Wagner Warren L.; Burney Mara; McCloskey Deirdre; Kikuchi Delores; Grady Frederick V.; Gage Reginald II & Nishek Robert (2001): Fossil Evidence for a Diverse Biota from Kauaʻi and Its Transformation since Human Arrival. Ecological Monographs71(4): 615-641. doi:10.2307/3100038
matramuzeum.hu
Gál Erika; Hír János; Kessler Eugén & Kókay József (1998-99): Középsõ-miocén õsmaradványok, a Mátraszõlõs, Rákóczi-kápolna alatti útbevágásból. I. A Mátraszõlõs 1. lelõhely [Middle Miocene fossils from the sections at the Rákóczi chapel at Mátraszőlős. Locality Mátraszõlõs I.]. Folia Historico Naturalia Musei Matraensis23: 33-78. [Tiếng Hungary với tóm tắt tiếng Anh] Toàn văn PDF
rdb.or.id
Collar N. J.; Andreev A. V.; Chan S.; Crosby M. J.; Subramanya S. & Tobias, J. A. (chủ biên) (2001): Pink-headed Duck. Trong:Threatened Birds of Asia: The BirdLife International Red Data Book: 489-501. BirdLife International. ISBN 0-946888-44-2Toàn văn HTMLLưu trữ 2007-03-11 tại Wayback Machine
Johnson Kevin P. & Sorenson Michael D. (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk116(3): 792–805. Toàn văn PDFLưu trữ 2007-02-05 tại Wayback Machine
Short Lester L. (1970): A new anseriform genus and species from the Nebraska Pliocene. Auk87(3): 537-543. Toàn văn PDFLưu trữ 2008-04-07 tại Wayback Machine
Johnson Kevin P. & Sorenson Michael D. (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk116(3): 792–805. Toàn văn PDFLưu trữ 2007-02-05 tại Wayback Machine
Collar N. J.; Andreev A. V.; Chan S.; Crosby M. J.; Subramanya S. & Tobias, J. A. (chủ biên) (2001): Pink-headed Duck. Trong:Threatened Birds of Asia: The BirdLife International Red Data Book: 489-501. BirdLife International. ISBN 0-946888-44-2Toàn văn HTMLLưu trữ 2007-03-11 tại Wayback Machine
Short Lester L. (1970): A new anseriform genus and species from the Nebraska Pliocene. Auk87(3): 537-543. Toàn văn PDFLưu trữ 2008-04-07 tại Wayback Machine