Glasser, Alan
Prentice-Hall, 1982
Buku Teks
American Management Association , 1967
Buku Teks
Cetron, Marvin J., author; Insenson, Raymond, author; Johnson, Jacob N., author; Nutt, Ambrose B., author; Wells, Howard A., author
M.I.T. Press, 1969
Buku Referensi
Taylor, Bernard W.
2007
Multimedia
McLeod, T.S.
Gower Press, 1971
Buku Teks