Thorndike, E. L. (1966). Human learning. M.I.T..
Lua i Stíl Chicago (17ú heag.)Thorndike, Edward L. Human Learning. Massachusetts: M.I.T., 1966.
Lua MLA (9ú heag.)Thorndike, Edward L. Human Learning. M.I.T., 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.