Kotler, Philip. Principles of marketing / Philip Kotler and Gary Armstrong. - 8th ed. - New Delhi : Prentice-Hall of India, c 1999. - xvii, 635 p. : ill. ; 28 cm. Includes index. 315 315 ISBN: 81-203-1490-5 Subjects--Topical Terms: Marketing--India. Dewey Class. No.: 658.8 / K848p