edited by Warren K. Agee, Phillip H. Ault, Edwin Emery
Harper and Row, 1982
Buku Teks
edited by Wilbur Schramm
University of Illnois Press, 1954
Buku Teks
editor, Joseph F. Littell
McDougal, Littel and Company, 1976
Buku Teks
Francois, William E.
Grid Inc., 1977
Buku Teks
McQuail, author
Sage Publ., 2002
Buku Teks