Kotler, Philip. Principles of Marketing / Philip Kotler, Gary Armstrong. - 11th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2006. - xx, 651, [94] p. : col. ill. ; 29 cm. Includes bibliographical references and index. ISBN: 0131469185 Subjects--Topical Terms: Marketing. LC Class. No.: HF5415 / .K636 2006 Dewey Class. No.: 658.8