Elster, Jon
Cambridge University Press, 1993
Buku Teks
Martha L. Cottam... [et.al.]
Lawrecce Erlbaum Associates, Publihers, 2004
Buku Teks
Ascher, William
Lawrence Erlbaum associates, 2005
Buku Teks
edited by John T. Jost and Jim Sidanius
Psychology Press, 2004
Buku Teks
Sitanggang, Sabar
2007
UI - Tesis Membership