Sparks, Glenn Grayson. <br/><br/>
Media effects research :  a basic overview / 
Glenn G. Sparks. 
 - Fourth edition. 
 - Australia ;  Boston, MA :  Wadsworth Cengage Learning,  c2013. 
 - xxii, 314 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>1111344450 (pbk.) 9781111344450 (pbk.) 
<br/><br/><label>LCCN: </label>2011936658 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research--Methodology.<br/>Mass media--Social aspects.
<br/><br/><label>LC Class. No.: </label>HM1206  / .S66 2013 
<br/><br/><label>Dewey Class. No.: </label>302.23