Gaspersz, Vincent, author
Gramedia, 2006
Buku Teks
Dwiyana Pratiwi, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Pudjono, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2003
UI - Tesis (Membership)
Bowersox, Donald J.
Bumi Aksara, 1986
Buku Teks
Srivastava, Uma K., author
UI-Press, 1996
Buku Teks