* {{cite book | last=Ali | first=Sálim | title=The Book of Indian Birds | publisher=Oxford University Press, USA | publication-place=Mumbai : New York | date=2002 | isbn=0-19-566523-6}}
<ref name="a717">{{cite book | last=Ali | first=Sálim | title=The Book of Indian Birds | publisher=Oxford University Press, USA | publication-place=Mumbai : New York | date=2002 | isbn=0-19-566523-6 | page=}}</ref>