^ abBen F. King & Edward C. Dickinson, Birds of South-east Asia, HarperCollinsPublishers, (1975) p. 406, Plate 61. ISBN 0-00-219207-1.
^ abRichard Grimmett, Carol Inskipp, Tim Inskipp, Birds of India, Pakistan, Nepal, Bangladesh, Bhutan, Sri Lanka, and the Maldives, Prinston University Press, (1999) pp. 256-258. ISBN 0-691-04910-6.
^ abcRobson, Craig (2005). New Holland Field Guide to the Birds of South-east Asia. UK: New Holland. p. 206. ISBN1-84330-746-4
参考文献
Clements, James (2007). The Clements Checklist of the Birds of the World (6th ed.). Ithaca, NY: Cornell University Press. p. 596. ISBN978-0-8014-4501-9