Marketing research/ 
Copper,Donald R& Pamela S. Schindler. 
 - Toronto,Canada.:  McGraw-Hill Ryerson Ltd,  c2006. 
 - 790 p.:  ill.;  28 cm. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LC Class. No.: </label>HF5415.2  / .C67 2006