Hasanuddin, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
M. Leberty Adi Surya, author
Fakultas Psikologi Universitas Indonesia, 2009
UI - Tesis (Open)
Nangoi, Ronald, author
RajaGrafindo Persada, 1996
Buku Teks
Dian Purnamasari, author
Fakultas Psikologi Universitas Indonesia, 2007
UI - Tesis (Open)
Rahardi Ramelan, author
UI-Press, 1999
Buku Teks