Marks, R. (2008). Managing for sales results: A fast-action guide for finding, coaching, and leading salespeople. John Wiley & Sons.
استشهاد بنمط شيكاغوMarks, Ron. Managing for Sales Results: A Fast-action Guide for Finding, Coaching, and Leading Salespeople. John Wiley & Sons, 2008.
MLA استشهادMarks, Ron. Managing for Sales Results: A Fast-action Guide for Finding, Coaching, and Leading Salespeople. John Wiley & Sons, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.