Morris, C. G. (1979). Psychology: An introduction (3rd ed.). Prentice hall.
Lua i Stíl Chicago (17ú heag.)Morris, Charles G. Psychology: An Introduction. 3rd ed. Englwoods, New Jersey.: Prentice hall, 1979.
Lua MLA (9ú heag.)Morris, Charles G. Psychology: An Introduction. 3rd ed. Prentice hall, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.