Caruso, David R., author
Jossey-Bass, 2004
Buku Teks
Fordyce, Jack K.
Addison-Wesley, 1971
Buku Teks
Bennis, Warren G., author
Addison-Wesley, [Date of publication not identified]
Buku Teks
Etzioni, Amitai, author
Prentice-Hall, 1964
Buku Teks
R.G.H. Siu
McGraw-Hill, 1980
Buku Teks