Who owns the media ? :  Concentration of ownership in the mass communications industry / 
Benjamin M. Compaine ... [et al.]. 
 - White Plains, NY :  Knowledge Industry Publications,  c1982 
 - 527 p. 
<br/><br/><label>Subjects--Index Terms: </label>Truyền thông Phương tiện truyền thông Đa phương tiện Mass Media 
<br/><br/><label>Dewey Class. No.: </label>380.3/0973  / WHO 1982