HEINRITZ, Stuart F. Farrell, Paul V. Purchasing: principles and applications /[by] Stuart F.Heinritz, Paul V.Farrell - 6th ed. - New Jersey Prentice-Hall Inc. 1981 - v, 485 p. Includes bibliography & index. ISBN: 013742163X Subjects--Topical Terms: Management Dewey Class. No.: 658.7 / HEI