APA (7th ed.) Zitazioa
Higgins, J. M. (1994). The management challenge: An introduction to management (2nd ed.). Macmillan Pub..
Chicago Style (17th ed.) Zitazioa
Higgins, James M. The Management Challenge: An Introduction to Management. 2nd ed. New York: Macmillan Pub., 1994.
MLA (9th ed.) Zitazioa
Higgins, James M. The Management Challenge: An Introduction to Management. 2nd ed. Macmillan Pub., 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.