Gaya APA
Pfeffer, W.
(2003).
Dolphin Talk: Whistles, Clicks, and Clapping Jaws
.
:
HarperCollins Publishers.
Gaya MLA
Pfeffer, Wendy.
"Dolphin Talk: Whistles, Clicks, and Clapping Jaws".
:
HarperCollins Publishers,
2003.
Text.