Churchman, Charles West, 1913-, author
Prentice-Hall, 1961
Buku Teks
edited by Raymond A. Bauer, Kenneth J. Gergen
The Free Press, 1968
Buku Teks
Ott, J. Steven, author
Thomson Wadsworth, 2008
Buku Teks
Dubin, Andrew J., author
Pergamon Press, 1977
Buku Teks
Robbins, Stephen P., author
Prentice-Hall, 1998
Buku Teks