Gaya APA

Goin, C, J., B., G. (1971). Introduction to herpetology (2nd.ed.). San Francisco: W.H. Freeman and Co..

Gaya MLA

Goin, Coleman, J.., B., Goin,Olive. "Introduction to herpetology". 2nd.ed. San Francisco: W.H. Freeman and Co., 1971. Text.