Audubon, John James
The birds of America
Macmillan, 1985
 Buku Referensi
The encyclopaedia of birds
edited by Christopher M. Perrins and Alex L.A. Middleton
Grolier International, 1993
 Buku Referensi
A Dictionary of birds
edited by Bruce Campbell and Elizabeth Lack
Buteo Books, 1985
 Buku Referensi
Mason, Victor
Birds of Bali
Periplus Editions, 1989
 Buku Referensi
Encyclopedia of birds
edited by Christopher M. Perrins, Alex L.A. Middleton
Facts on File, 1985
 Buku Referensi