Gaya APA

Swanson, C, P., Breneman, W. (1959). Laboratory studies in animal biology to accompany animal form and ì function an introduction to college zoology . Massachusetts: Massachusetts: Xerox college; 1959.

Gaya MLA

Swanson, Carl, P.., Breneman, W.R.. "Laboratory studies in animal biology to accompany animal form and ì function an introduction to college zoology". Massachusetts: Massachusetts: Xerox college; 1959, 1959. Text.