Shoemaker, Pamela J. <br/><br/>
Gatekeeping theory. / 
Pamela J. Shoemaker, Tim P. Vos. 
 - New York :  Routledge,  2009. 
 - 173 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Contents: Part 1: Understanding of gatekeeping: Understanding the concept -- The gatekeeping process -- Part 2: Gatekeeping - levels of analysis: The individual level of analysis -- The communication routines level of analysis -- The organizational level of analysis -- The social institutional level of analysis -- The social system level of analysis -- Part 3: Theorizing about gatekeeping -- Field theory and gatekeeping -- Gatekeeping channels -- Gatekeeping in the 21st century. 
<br/><br/><label>ISBN: </label>9780415981385 (hardback : alk. paper) 0415981387 (hardback : alk. paper) 9780415981392 (pbk. : alk. paper) 0415981395 (pbk. : alk. paper) 9780203931653 (ebook.) 0203931653 (ebook.) 
<br/><br/><label>LCCN: </label>2008041865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Philosophy.
<br/><br/><label>LC Class. No.: </label>P90.S458 
<br/><br/><label>Dewey Class. No.: </label>302.201