Sielaff, Theodore J. Introduction to business: American enterprise in action [electronic resource] / [by] Theodore J. Sielaff and John W. Aberle.. — 2nd ed.. — Belmont, Calif., : Wadsworth Pub. Co., [1966]. — 623 p. : illus. 25 cm. Includes bibliographies. ISBN: 0534001165 LCCN: 66011798 Subjects--Topical Terms: Business. LC Class. No.: HF5351 / .S57 1966 Dewey Class. No.: 658