Gaya APA

Greenberg, H. et al (2001). How To Hire & Develop Your Next Top Performer : The Five Qualities That Make Salespeople Great . : McGraw-Hill Education.

Gaya MLA

Greenberg, Herb. et al. "How To Hire & Develop Your Next Top Performer : The Five Qualities That Make Salespeople Great". : McGraw-Hill Education, 2001. Art Original.