Gaya APA

RAY, W, J., RAVIZZA, R. (1985). Methods toward a science of behavior and experience (ed. 2). Belmont, California: Wodsworth Publishing.

Gaya MLA

RAY, William, J.., RAVIZZA, Richard. "Methods toward a science of behavior and experience". ed. 2 Belmont, California: Wodsworth Publishing, 1985. Text.