edited by Jay G. Blumler and Elihu Katz
Sage, 1974
Buku Teks
McQuail, Denis, author
Longman, 1995
Buku Teks
Sandman, Peter M., author
Prentice-Hall, 1976
Buku Teks
McQuail, Denis, author
Collier Macmillan , 1969
Buku Teks
Charles Atkin, Lawrence Wallack, editors
Sage, 1990
Buku Teks