Powell, R. A., Symbaluk, D. G., & MacDonald, S. E. (2001). Introduction to learning and behavior. Wadsworth/Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Powell, Russell A., Diane G. Symbaluk, agus Suzanne E. MacDonald. Introduction to Learning and Behavior. Australia: Wadsworth/Thomson Learning, 2001.
Lua MLA (9ú heag.)Powell, Russell A., et al. Introduction to Learning and Behavior. Wadsworth/Thomson Learning, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.