Kotler, Philip Principles of marketing / Philip Kotler, Gary Armstrong and Robert Warren - 3rd ed. - Ontario : Prentice-Hall, c1997. - xx, 794 p. : ill. ; 27 cm. ISBN: 0134410157 LCCN: Subjects--Topical Terms: MarketingMarketing managemnt LC Class. No.: HF5415 / .k636 1997 Dewey Class. No.: 658.8 / K87p