Luther, W. M., & Luther, W. M. (2001). The marketing plan how to prepare and implement it William M. Luther. Amacom.
Chicago Style (17th ed.) CitationLuther, William M., and William M. Luther. The Marketing Plan How to Prepare and Implement It William M. Luther. Amacom, 2001.
MLA (8th ed.) CitationLuther, William M., and William M. Luther. The Marketing Plan How to Prepare and Implement It William M. Luther. Amacom, 2001.
Warning: These citations may not always be 100% accurate.