RAY, W. J., & RAVIZZA, R. (1984). Methods toward a science of behavior and experience.--Ed.2. Wadsworth.
Lua i Stíl Chicago (17ú heag.)RAY, William J., agus Richard RAVIZZA. Methods Toward a Science of Behavior and Experience.--Ed.2. Belmont: Wadsworth, 1984.
Lua MLA (9ú heag.)RAY, William J., agus Richard RAVIZZA. Methods Toward a Science of Behavior and Experience.--Ed.2. Wadsworth, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.