The 25 sales habits of highly successful salespeople / Stephan Schiffman. Twenty-five sales habits of highly successful salespeople. Sales habits. Schiffman, Stephan. Habits HF5438.25 .S333 1991 658.85 20 SCT Spine title: Sales habits. Holbrook, Mass. : Bob Adams, [c1991] [c1991] 1991 Text 125 p. ; eng