Kotler, Philip. Marketing management / Philip Kotler, Kevin Lane Keller. - 12th ed. - Upper Saddle River, NJ : Pearson Prentice Hall, 2006. - 1 v. (various pagings) : ill. (col.) ; 28 cm. Includes bibliographical references and index. ISBN: 0131457578 (hbk.) RM457.55 013196853X (pbk.) Hadiah Subjects--Topical Terms: Marketing--Management.