Greenberg, H., Sweeney, P., & Weinstein, H. (2001). How to hire and develop your next top performer: The five qualities that make salespeople great. McGraw-Hill.
Citace podle Chicago (17th ed.)Greenberg, Herb, Patrick Sweeney, a Harold Weinstein. How to Hire and Develop Your Next Top Performer: The Five Qualities That Make Salespeople Great. New York ; London: McGraw-Hill, 2001.
Citace podle MLA (8th ed.)Greenberg, Herb, et al. How to Hire and Develop Your Next Top Performer: The Five Qualities That Make Salespeople Great. McGraw-Hill, 2001.
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