Personal Influence : The Part Played by People in the Flow of Mass Communications Katz, Elihu Lazarsfeld, Paul F. Roper, Elmo 9781138529724 Innbundet 08.12.2017 Engelsk I salg
Personal Influence : The Part Played by People in the Flow of Mass Communications Katz, Elihu Lazarsfeld, Paul F. Roper, Elmo 9781412805070 Heftet 30.09.2005 Engelsk I salg
