Harlow, H. F., & Thompsom, R. F. (1971). Psychology (ed.). Albion publishing Co..
Lua i Stíl Chicago (17ú heag.)Harlow, Harry F., agus Richard F. Thompsom. Psychology. ed. San Francisco: Albion publishing Co., 1971.
Lua MLA (9ú heag.)Harlow, Harry F., agus Richard F. Thompsom. Psychology. ed. Albion publishing Co., 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.