Armstrong, Gary Marketing : an introduction / Gary Armstrong, Philip Kotler. - 9th ed. - Upper Saddle River, NJ : Pearson Prentice Hall, 2009. - 1 v. (various pagings) : col. ill. ; 27 cm. Includes bibliographical references and index. ISBN: 9780135153109 (pbk.) Hadiah 0135153107 (pbk.) Subjects--Topical Terms: Marketing.