อ้างอิง ของ เป็ดแดง

  1. ↑ BirdLife International (2004). Dendrocygna javanica. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. justification for least concern: global population of between two and twenty million individuals (Wetlands International 2002).
  2. ↑ Grewal, Bikram (2002). Photographic guide to birds of India. Periplus editions / Princeton University Press. Unknown parameter |coauthors= ignored (|author= suggested) (help); Unknown parameter |address= ignored (|location= suggested) (help) p. 58
  3. 1 2 Ali, Salim (1986/2001). Handbook of the Birds of India and Pakistan, 2nd ed.,10 vols (2nd ed.). Oxford University Press. Unknown parameter |coauthors= ignored (|author= suggested) (help); Unknown parameter |address= ignored (|location= suggested) (help); Check date values in: |year= (help)Bird Number 138, vol. 1, p. 138-140.
  4. 1 2 3 เป็ดแดง birdsofthailand.net
คอมมอนส์ มีภาพและสื่อเกี่ยวกับ:
Dendrocygna javanica