Chú thích Phân_họ_Vịt_khoang

  1. ↑ Livezey Bradley C. (1986): A phylogenetic analysis of recent anseriform genera using morphological characters. Auk 103(4): 737-754. Toàn văn PDF Lưu trữ 2010-08-05 tại Wayback Machine
  2. ↑ Sraml M.; Christidis L.; Easteal S.; Horn P. & Collet C. (1996): Molecular Relationships Within Australasian Waterfowl (Anseriformes). Australian Journal of Zoology 44(1): 47-58. doi:10.1071/ZO9960047 (Tóm tắt HTML)
  3. ↑ Johnson Kevin P. & Sorenson Michael D. (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk 116(3): 792–805. Toàn văn PDF Lưu trữ 2007-02-05 tại Wayback Machine