Watson, J. B. (1970). Behaviorism. Norton.
Lua i Stíl Chicago (17ú heag.)Watson, John Broadus. Behaviorism. New York: Norton, 1970.
Lua MLA (9ú heag.)Watson, John Broadus. Behaviorism. Norton, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.