Παραπομπή σε μορφή APA (7η εκδ.)

Luther, W. M., & Luther, W. M. (2001). The marketing plan how to prepare and implement it William M. Luther. Amacom.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Luther, William M., και William M. Luther. The Marketing Plan How to Prepare and Implement It William M. Luther. Amacom, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Luther, William M., και William M. Luther. The Marketing Plan How to Prepare and Implement It William M. Luther. Amacom, 2001.