Keith, Michael C.
Jakarta, Internews
Buku Teks
Keith, Michael C., author
Internews Indonesia, 2000
Buku Teks
Chester, Giraud
Prentice-Hall, 1978
Buku Teks
Lazarsfeld, Paul F., author
Amo Press, 1971
Buku Teks
Head, Sydney W., author
Houghton Miffiln, 1972
Buku Teks