Hull, E. M., Eaton, R., Kalat, J. W., & Reardin, V. (1988). Biological psychology (3rd ed.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)Hull, Elaine M., Robert Eaton, James W. Kalat, agus Vicki Reardin. Biological Psychology. 3rd ed. Belmont: Wadsworth, 1988.
Lua MLA (9ú heag.)Hull, Elaine M., et al. Biological Psychology. 3rd ed. Wadsworth, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.