APA (7th ed.) Zitazioa

Vernon Raymond. (1981). Economic enviroment of international business (3rd ed.). Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Vernon Raymond. Economic Enviroment of International Business. 3rd ed. New Jersey: Prentice-Hall, 1981.

MLA (9th ed.) Zitazioa

Vernon Raymond. Economic Enviroment of International Business. 3rd ed. Prentice-Hall, 1981.