Greenberg, Jerald, author
Prentice-Hall, 2003
Buku Teks
Bennis, Warren G., author
Addison-Wesley, [Date of publication not identified]
Buku Teks
Etzioni, Amitai, author
Prentice-Hall, 1964
Buku Teks
Peters, Jan Hendrik, author
Trisakti University, 1999
Buku Teks
Steers, Richard M., author
Kent Publishing, 1985
Buku Teks