Darley, J. M., Glucksberg, S., & Kinchla, R. A. (1986). Psychology (3rd ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Darley, John M., Sam Glucksberg, agus Ronald A. Kinchla. Psychology. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1986.
Lua MLA (9ú heag.)Darley, John M., et al. Psychology. 3rd ed. Prentice-Hall, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.