Grasha, A. F. (1983). Practical applications of psychology (2nd. ed.). Little Brown and company.
Lua i Stíl Chicago (17ú heag.)Grasha, Anthony F. Practical Applications of Psychology. 2nd. ed. Boston: Little Brown and company, 1983.
Lua MLA (9ú heag.)Grasha, Anthony F. Practical Applications of Psychology. 2nd. ed. Little Brown and company, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.