Brown, Lyndon O. Marketing research and analysis [by] Lyndon O. Brown [and] Leland L. Beik. - 4th ed. - New York Ronald Press Co. [1969] - vi, 624 p. illus. 24 cm. Bibliography: p. 609-613. LCCN: 71075634 Subjects--Topical Terms: Marketing research LC Class. No.: HF5415.2 / .B7 1969 Dewey Class. No.: 658.83