Kotler, Philip. <br/><br/>
Marketing management, analysis, planning and control. 

 - 4th edition. 
 - New Jersey :  Prentice Hall, Englewood Cliffs,  1980. 
 - 722 pages ;  23 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0135579759