Παραπομπή APA

Kurtz, D. L. (2007). Principles of marketing (12th ed.). Thomson Soth Western.

Παραπομπή Chicago Style

Kurtz, David L. Principles of Marketing. 12th ed. Australia: Thomson Soth Western, 2007.

Παραπομπή MLA

Kurtz, David L. Principles of Marketing. 12th ed. Thomson Soth Western, 2007.