Shoemaker, Pamela J. <br/><br/>
Gatekeeping / 
Pamela J. Shoemaker 
 - Newbury Park :  SAGE Publications,  1991 
 - viii, 88 p. :  ill. ;  23 cm. 
 - Communication concepts  3  1057-7440 .
<br/><br/>Includes bibliographical references (p. 78-84) and index 
<br/><br/><label>ISBN: </label>0803944365 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Philosophy<br/>Mass media--Philosophy