Feldman, Robert S., author
McGraw-Hill , 2005
Buku Teks
Morris, Charles G., author
Prentice-Hall, 2003
Buku Teks
Leonard, J Martin, author
Teach Yourself Books, 1974
Buku Teks
Chisholm, Richard, author
Butterworth, 1978
Buku Teks
McLuhan, Marshall, author
Routledge, 1994
Buku Teks