Duncan, Delbert J. Retailing : principles and methods / by Delbert J. Duncan and Charles F. Phillips. - 5th ed. - Homewood, Illinois : Richard D. Irwin, c 1962. - xvii, 793 p. : ill. ; 24 cm. Includes index. 319 319 Subjects--Topical Terms: Retail trade. Dewey Class. No.: 658.87 / D912r