edited by Wilbur Schramm
University of Illnois Press, 1954
Buku Teks
Emery, Edwin, editor
Dodd, Mead Company, 1968
Buku Teks
edited by Jay G. Blumler and Elihu Katz
Sage, 1974
Buku Teks
Ahuja, B. N., author
Surjeet Publications, 1989
Buku Teks
editor-in-chief, Donald H. Johnsto
Academic press, 2003
Buku Referensi