Heinritz, Stuart F. Purchasing principles and applications. - 2d ed. - New York Prentice-Hall 1951. - 689 p. illus. 22 cm. ISBN: 0137421486 LCCN: 51006208 /L Subjects--Topical Terms: Purchasing LC Class. No.: HF5437 / .H4 1951 Dewey Class. No.: 658.7