Carwardine, Mark, author
The book of dolphins
Collins & Borwn, 1999
 Buku Referensi
Whale sound : an anthology of poems about whales and dolphins
edited by Greg Gatenby
J.J. Douglas, 1977
 Buku Teks
Yoder, Susan
The wisdom of dolphins / by Susan Yoder and Major Benton
Source Books , 2000
 Buku Teks
Hamilton, Mark, author
The Book
Neo-tech books, 2000
 Buku Teks
Handbook of marine mammals; Volume 4, river dolphins and the larger toothed whales
edited by Sam H. Ridgway and Richard J. Harrison
Academic Press, 1989
 Buku Referensi
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