Discovering mass communication

Becker, Samuel L

Discovering mass communication / Samuel L. Becker, Churchill L. Roberts. -- 3rd ed. -- New York : HarperCollins Publishers, c1992. -- xviii, 541 s. -- ISBN : 0-673-46119-X.
I. Roberts, Churchill Lee, 1940-


masová komunikace * masmédia * média * vliv médií