Basics of Social Research :  Qualitative and Quantitative Approach  / 
W. Lawrewnce  Neuman  
 - Custom Edition . 
 - New York :  Pearson ,  2007. 
 - vii,293 p,; 
<br/><br/><label>ISBN: </label>9780536939227 
<br/><br/><label>LC Class. No.: </label>HM571  / .N48 2007