Gaya APA

Sayre, April Pulley. (2002). Secrets Of Sounds : Studying The Calls and Songs Of Whales, Elephants and Birds . Boston: houghton Mifflin Company.

Gaya Chicago

Sayre, April Pulley. Secrets Of Sounds : Studying The Calls and Songs Of Whales, Elephants and Birds. Boston: houghton Mifflin Company, 2002. Text.

Gaya MLA

Sayre, April Pulley. Secrets Of Sounds : Studying The Calls and Songs Of Whales, Elephants and Birds. Boston: houghton Mifflin Company, 2002. Text.

Gaya Turabian

Sayre, April Pulley. Secrets Of Sounds : Studying The Calls and Songs Of Whales, Elephants and Birds. Boston: houghton Mifflin Company, 2002. Print.