Schwartz, S. (1986). Classic studies in psychology. Mayfield.
Lua i Stíl Chicago (17ú heag.)Schwartz, Steven. Classic Studies in Psychology. California: Mayfield, 1986.
Lua MLA (9ú heag.)Schwartz, Steven. Classic Studies in Psychology. Mayfield, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.