Handbook of Australian, New Zealand & Antarctic birds : volume 2, raptors to lapwings
edited by S. Marchant, P.J. Higgins
Oxford University Press, 1993
 Buku Referensi
Hormones and reproduction of vertebrates; Volume 4 : Birds
edited by David O. Norris, Kristin H. Lopez
Elsevier, 2011
 Buku Referensi
Peterson, Roger Tory
A field guide to the birds : a completely new guide to all the birds of eastern and central North America
Houghton Miffiln, 1980
 Buku Referensi
Audubon, John James
The birds of America
Macmillan, 1985
 Buku Referensi
Mason, Victor
Birds of Bali
Periplus Editions, 1989
 Buku Referensi