Supercharge your selling : 60 tips in 60 minutes / David A. Peoples and Nigel Henzell-Thomas. Peoples, David A., 1930- Henzell-Thomas, Nigel. Selling. HF5438.25 .P45 1990 658.85 20 PEC New York, NY : Warner Books, c1989. c1989. 1990 Text xiii, 109 p. ; eng