Duncan, Delbert J. Modern retailing management: basic concepts and practices / Delbert J. Duncan [et. al ] - 8th ed. - Homewood, Ill.: R. D. Irwin, 1972. - xix, 703 p. : illus.; 24 cm. Subjects--Topical Terms: Retail trade--Management.Retail trade. Dewey Class. No.: 658.87 / DUM 1972