Greenberg, Jeanne. What it takes to succeed in sales : selecting and retaining top producers / Jeanne Greenberg, Herbert Greenberg. - Homewood, Ill. : Dow Jones-Irwin, c1990. - viii, 241 p. ; 24 cm. ISBN: 1556232187 9781556232183 Subjects--Topical Terms: Sales management.Sales personnel. LC Class. No.: HF5438.4 / .G73 1990