Meta Nuclea Ivana
2001
UI - Skripsi (Membership)
Endang Sulaiman
1998
UI - Skripsi (Membership)
Todosijevic, Bojan
VDM Verlag Dr. Muller, 2008
Buku Teks
Verkuyten, Maykel
Psychology Press Taylor & Francis Group, 2005
Buku Teks
Nindya Anggarini
1996
UI - Skripsi (Membership)