Zikmund, G. William <br/><br/>
Exploring Marketing Research: 

 - 7th ed. 
 - Ohio:  South-Western,  2000. 
 - 812p.:  ill.; 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0030262186 
<br/><br/><label>LC Class. No.: </label>HF5415.2  / zik 2012