Cita APA (7th ed.)
Luther, W. M. (2001). The marketing plan: How to prepare and implement it (3rd ed.). AMACOM.
Cita Chicago (17th ed.)
Luther, William M. The Marketing Plan: How to Prepare and Implement It. 3rd ed. New York: AMACOM, 2001.
Cita MLA (9th ed.)
Luther, William M. The Marketing Plan: How to Prepare and Implement It. 3rd ed. AMACOM, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.