APA (7th ed.) Zitazioa
Sundaram, A. K., & J. Stewart Black. (2007). The International business environment: Text and cases. Prentice Hall of India.
Chicago Style (17th ed.) Zitazioa
Sundaram, Anant K., eta J. Stewart Black. The International Business Environment: Text and Cases. New Delhi: Prentice Hall of India, 2007.
MLA (9th ed.) Zitazioa
Sundaram, Anant K., eta J. Stewart Black. The International Business Environment: Text and Cases. Prentice Hall of India, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.