Del Gaizo, E. R., Lunsford, S. E., & Marone, M. D. (2004). Secrets of top performing sales people: Selling with customer focus. McGraw-Hill.
Chicago Style (17th ed.) CitationDel Gaizo, Edward R., Seleste E. Lunsford, and Mark D. Marone. Secrets of Top Performing Sales People: Selling with Customer Focus. New York: McGraw-Hill, 2004.
MLA (9th ed.) CitationDel Gaizo, Edward R., et al. Secrets of Top Performing Sales People: Selling with Customer Focus. McGraw-Hill, 2004.
Warning: These citations may not always be 100% accurate.