Ziglar, Zig. Ziglar on selling / Zig Ziglar. - Nashville : Oliver-Nelson, c1991. - 382 p. : forms ; 24 cm. Includes bibliographical references (p. 379-382). ISBN: 0840791313 (hardcover) LCCN: 91019535 Subjects--Topical Terms: Selling.Sales management. LC Class. No.: HF 5438.25 / .Z545 1991