Mason, Ralph E. Marketing practices and principles : student project guide / Ralph E. Mason ... [et al.]. - 5th ed. - New York, N. Y. : Glencoe Macmillan/McGraw-Hill, c1995. - ix, 210p. : ill. ; 28 cm. ISBN: 0026356031 Subjects--Topical Terms: Marketing LC Class. No.: HF5415 / M34m 1995