Drummond G <br/><br/>
Strategic marketing: planning and control 
Drummond G; Ensor J 
 - 2 
 - Oxford  Oxford, Butterworth Heinemann  2001 
 - 304p 
<br/><br/><label>ISBN: </label>0 7506 5236 5 
<br/><br/><label>Source: </label>Textbook