APA Style

Sayre, April Pulley. (2002). Secrets of sound: studying the calls and songs of whales, elephants, and birds . Boston: Houghton Mifflin.

Chicago Style

Sayre, April Pulley. Secrets of sound: studying the calls and songs of whales, elephants, and birds. Boston: Houghton Mifflin, 2002. Referensi.

MLA Style

Sayre, April Pulley. Secrets of sound: studying the calls and songs of whales, elephants, and birds. Boston: Houghton Mifflin, 2002. Referensi.

Turabian Style

Sayre, April Pulley. Secrets of sound: studying the calls and songs of whales, elephants, and birds. Boston: Houghton Mifflin, 2002. Referensi.