Gaya APA
Sayre, April Pulley. (2002).
Secrets of sound: studying the calls and songs of whales, elephants, and birds .
Boston:
Houghton Mifflin Company.
Gaya Chicago
Sayre, April Pulley.
Secrets of sound: studying the calls and songs of whales, elephants, and birds.
Boston:
Houghton Mifflin Company,
2002.
Text.
Gaya MLA
Sayre, April Pulley.
Secrets of sound: studying the calls and songs of whales, elephants, and birds.
Boston:
Houghton Mifflin Company,
2002.
Text.
Gaya Turabian
Sayre, April Pulley.
Secrets of sound: studying the calls and songs of whales, elephants, and birds.
Boston:
Houghton Mifflin Company,
2002.
Print.