APA استشهاد

Terpstra, V. (1991). International marketing (5th ed.). The dryden press.

استشهاد بنمط شيكاغو

Terpstra, Vern. International Marketing. 5th ed. Chicago: The dryden press, 1991.

MLA استشهاد

Terpstra, Vern. International Marketing. 5th ed. The dryden press, 1991.