Keith, Lyman A. Introduction to business enterprise [by] Lyman A. Keith [and] Carlo E. Gubellini. - 3d ed. - New York, McGraw-Hill [1971] - viii, 613 p. illus. (part col.) 24 cm. Bibliography: p. 598-603. ISBN: 0070334757 LCCN: 76136179 Subjects--Topical Terms: Business. LC Class. No.: HF5351 / .K383 1971 Dewey Class. No.: 658