APA استشهاد

Sundaram, A. K., & Black, J. S. (1997). The international business environment: Text and cases. Prentice Hall of India.

استشهاد بنمط شيكاغو

Sundaram, Anant K., و J. Stewart Black. The International Business Environment: Text and Cases. New Delhi: Prentice Hall of India, 1997.

MLA استشهاد

Sundaram, Anant K., و J. Stewart Black. The International Business Environment: Text and Cases. Prentice Hall of India, 1997.