Cita APA (7th ed.)
Powell, R. A. (2009). Introduction to learning and behavior (3rd ed.). Wadsworth.
Cita Chicago (17th ed.)
Powell, Russell A. Introduction to Learning and Behavior. 3rd ed. Nairobi: Wadsworth, 2009.
Cita MLA (9th ed.)
Powell, Russell A. Introduction to Learning and Behavior. 3rd ed. Wadsworth, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.