Hopkins, Tom. How to master the art of selling / by Tom Hopkins ; edited by Warren Jamison. - London. : Grafton Books, [1982, c1980] - xix, 364 p. ISBN: 0446374946 (pbk.) Subjects--Topical Terms: Selling. LC Class. No.: HF5438.25 / .H66 1982 Dewey Class. No.: 658.8/5�19