Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 15th ed. - Chennai : Pearson India Education, c2016. - xxiii, 732 p. : col. ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9789332558472 Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8 / KOP