Gaya APA

Audesirk, G., Audesirk, T. (1989). Biology: Life on Earth (Ed. 2). New York: Macmillan Publishing Company.

Gaya MLA

Audesirk, Gerald., Audesirk, Teresa. "Biology: Life on Earth". Ed. 2 New York: Macmillan Publishing Company, 1989. Text.