Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 7th ed. - New Delhi : Prentice Hall ; c2010. - xvii, (various pagins) : ill. ; 28.5 cm. Includes bibliographical references and indexes. ISBN: 8120310772 Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8 / KOP