APA aipamena

BLACK J STEWART. (1995). INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. PRENTICE -HALL INTERNATIONAL; INC.

Chicago Style aipamena

BLACK J STEWART. INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. NEW JERSAY U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1995.

MLA aipamena

BLACK J STEWART. INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. PRENTICE -HALL INTERNATIONAL; INC, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.