Gaya APA

Eckert, R., George, I, R, D, I, A. (1988). Animal physiology: mechanisms and adaptations . New York: New York: W.H. Freeman and Company, 1988.

Gaya MLA

Eckert, Roger., George, I., Randall,, David, II., Augustine,. "Animal physiology: mechanisms and adaptations". New York: New York: W.H. Freeman and Company, 1988, 1988. Text.