Schiffman Stephan Closing techniques : (that really work!) / by Stephan Schiffman. - 2nd ed. - Holbrook, Mass. : Adams Media, 1999. - xiv, 141 p. ; 22 cm. Includes index. ISBN: 1580621724 Subjects--Topical Terms: Selling LC Class. No.: HF5438.25 Dewey Class. No.: 658.85