APA (7th ed.) Zitazioa
DuBrin, A. J. (1986). Essentials of management. South-Western.
Chicago Style (17th ed.) Zitazioa
DuBrin, Andrew J. Essentials of Management. Cinncinati: South-Western, 1986.
MLA (9th ed.) Zitazioa
DuBrin, Andrew J. Essentials of Management. South-Western, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.