Παραπομπή APA

Schwartz, D. J. (1977). Marketing today: Basic approach (2nd. ed.). Harcourt Brace Jovanovich.

Παραπομπή Chicago Style

Schwartz, David J. Marketing Today: Basic Approach. 2nd. ed. New York: Harcourt Brace Jovanovich, 1977.

Παραπομπή MLA

Schwartz, David J. Marketing Today: Basic Approach. 2nd. ed. Harcourt Brace Jovanovich, 1977.