एपीए उद्धरण

Sundaram, A. K., & Black, J. S. (1999). The international business environment: Text and cases. Prentice Hall.

शिकागो स्टाइल उद्धरण

Sundaram, Anant K., और J. Stewart Black. The International Business Environment: Text and Cases. New Delhi: Prentice Hall, 1999.

एमएलए उद्धरण

Sundaram, Anant K., और J. Stewart Black. The International Business Environment: Text and Cases. Prentice Hall, 1999.