Kazmierczak, K and B van Perlo. 2000. A Field Guide to the Birds of the Indian Subcontinent. New Haven: Yale Univ. Press. ISBN 978-0300079210
Kazmierczak, K and B van Perlo. 2000. A Field Guide to the Birds of the Indian Subcontinent. New Haven: Yale Univ. Press. ISBN 978-0300079210