Gaya APA

Tortora, G, J., R, I, G, S. (). Principles of anatomy and physiology . New: New York: HarperCollins College Publishers; 1993.

Gaya MLA

Tortora, Gerard, J.., R, I., Grabowski,, Sandra. "Principles of anatomy and physiology". New: New York: HarperCollins College Publishers; 1993, . Text.