Kotler, Philip. <br/><br/>
Principles of marketing / 
Philip Kotler and Gary Armstrong. 
 - 5th ed. 
 - Englewood Cliffs, New Jersey :   Prentice Hall,   c1991. 
 - various pages :  illustrations ;  28 cm 
<br/><br/> Annotated instructor's edition. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0137216149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing.
<br/><br/><label>Dewey Class. No.: </label>658.8 KOT