Gravetter, Frederick J. <br/><br/>
Research methods for the behavioral sciences /4e 
Frederick J Gravetter, Lori-Ann B. Forzano. 
 - 4th ed. 
 - Australia ;  Belmont, CA :  Wadsworth,  2012. 
 - xxii, 618 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781111342265 1111342261 
<br/><br/><label>Subjects--Index Terms: </label>Research methodology 
<br/><br/><label>Dewey Class. No.: </label>001.42  / GRA