Dessi Christanti, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis Membership
Sidanius, Jim, author
Cambridge Uiversity Press, 1999
Buku Teks
edited by Garth J.O. Fletcher and Margaret S. Clark
Blackwell, 2003
Buku Teks
Tyas Handayani, author
Fakultas Psikologi Universitas Indonesia, 1996
UI - Skripsi Membership
edited by Bettina P. Reimann
Nova Biomedical Books, 2007
Buku Teks