Engel, James F. <br/><br/>
Promotional strategy / 
James F. Engel, Hugh G. Wales, Martin R. Warshaw. 
 - Homewood, Ill. :  R. D. Irwin,  1967. 
 - xiii, 665 p. :  ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advertising.<br/>Marketing--Management.