APA (7th ed.) Zitazioa
Onkvisit, S. (1993). International marketing: Analysis and strategy (2nd ed.). Macmillan.
Chicago Style (17th ed.) Zitazioa
Onkvisit, Sak. International Marketing: Analysis and Strategy. 2nd ed. New York: Macmillan, 1993.
MLA (9th ed.) Zitazioa
Onkvisit, Sak. International Marketing: Analysis and Strategy. 2nd ed. Macmillan, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.