Gaya APA

Pfeffer, W., Davie, H, K. (2003). Dolphin Talk Whistles, Clicks, and Clapping Jaws . New York: Harper Collins.

Gaya MLA

Pfeffer, Wendy., Davie, Helen, K.. "Dolphin Talk Whistles, Clicks, and Clapping Jaws". New York: Harper Collins, 2003. Text.