Kotler, Philip. Principles of marketing : activebook version 1.0 / Philip Kotler, Gary Armstrong. - Upper Saddle River, NJ : Prentice Hall, c2001 - xvii, 523 p. : ill. (some col.) ; 28 cm. Includes bibliographical references and indexes. ISBN: 0130648531 Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8 / KOT