Media and communication research methods : an introduction to qualitative and quantitative approaches 
Berger, Arthur Asa. 
 - 4th ed. 
 -  SAGE Publications Inc.,  2016 
 - 601 pages. 
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<br/><br/><label>ISBN: </label>978-1-48337756-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication -- Research -- Methodology.
<br/><br/><label>Dewey Class. No.: </label>302.2307 B4961 2016