Παραπομπή APA

Walker, O. C., & Mullins, J. W. (2011). Marketing strategy: A decision-focused approach (7th ed.). McGraw-Hill.

Παραπομπή Chicago Style

Walker, Orville C., και John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. New York: McGraw-Hill, 2011.

Παραπομπή MLA

Walker, Orville C., και John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. McGraw-Hill, 2011.