Chance, P. (1988). Learning and behavior (2nd ed.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)Chance, Paul. Learning and Behavior. 2nd ed. Belmont, Calif: Wadsworth, 1988.
Lua MLA (9ú heag.)Chance, Paul. Learning and Behavior. 2nd ed. Wadsworth, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.