Gray, D.E. <br/><br/>
Doing research in the real world 
Gray 
 - 2e 
 - Los Angeles:  Sage  2009 
 - xviii, 604p. 
<br/><br/><label>ISBN: </label>9.78185E+12 
<br/><br/><label>LC Class. No.: </label>H 62 .G73 2009