APA (7th ed.) Zitazioa
Gazda, G. M. (1977). Human relations development: A manual for educators (2d ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Gazda, George Michael. Human Relations Development: A Manual for Educators. 2d ed. Boston: Allyn and Bacon, 1977.
MLA (9th ed.) Zitazioa
Gazda, George Michael. Human Relations Development: A Manual for Educators. 2d ed. Allyn and Bacon, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.