Kotler, Philip Principles of marketing / Philip Kotler and Gary Armstrong - 6th ed. - New Delhi : Prentice-Hall, c1994. - xix, 712 p. ; ill. ; 25 cm. ISBN: 8120309308 LCCN: Subjects--Topical Terms: MarketingManagementSales management LC Class. No.: HF5415 / .K636 1994 Dewey Class. No.: 658.8 / K87p