Fraser, Nancy, author

Polity , 2008

 Buku Teks SO

edited by Lorenzo Cappellari, Solomon W. Polachek, Konstantinos Tatsiramos

Emerald, 2016

 eBooks

Debora N.R. Assa, author

Fakultas Psikologi Universitas Indonesia, 2005

 UI - Tesis Membership

Sterba, James P., author

Thomson Wadsworth, 2003

 Buku Teks SO

Deutsch, Morton, author

Yale University Press, 1985

 Buku Teks