Leedy, Paul D. Ormrod, Jeanne Ellis. <br/><br/>
Practical Research:  Planing and Desisgn 

 - 10th Ed. 
 - United states of America  Pearson Education  2013. 
 - xix, 364 pg.  ill.  28 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Adult 
<br/><br/><label>ISBN: </label>9780132899505 
<br/><br/><label>Dewey Class. No.: </label>001.4 LEED