APA (7th ed.) Zitazioa
Luther, W. M. (2001). The marketing plan: How to prepare and implement it (3rd ed.). AMACOM.
Chicago Style (17th ed.) Zitazioa
Luther, William M. The Marketing Plan: How to Prepare and Implement It. 3rd ed. New York: AMACOM, 2001.
MLA (9th ed.) Zitazioa
Luther, William M. The Marketing Plan: How to Prepare and Implement It. 3rd ed. AMACOM, 2001.
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