Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 12th ed. - Upper Saddle River, N.J. : Pearson/Prentice Hall, c2008. - xxxii, 599, [99] p. : ill. (chiefly col.) ; 29 cm. Includes bibliographical references (p. R-1 - R-30) and indexes. ISBN: 0132390027 (alk. paper) 9780132390026 (alk. paper) 9780136132370 Subjects--Topical Terms: Marketing