Ziglar, Zig. Zig Ziglar's Secrets of closing the sale / Zig Ziglar. - Old Tappan, N.J. : F.H. Revell Co., c1984. - 411 p. : ill. ; 24 cm. Includes index. Bibliography: p. 405-408. ISBN: 0800712137 : $13.95 LCCN: 84008282 Subjects--Topical Terms: Selling. LC Class. No.: HF5438.25 / .Z54 1984 Dewey Class. No.: 658.8/5