Gottdiener, M.
Sage, 2010
Buku Teks SO
edited by Alice O'Connor, Chris Tilly and Lawrence D. Bobo
Russel Sage Foundations, 2001
Buku Teks SO
Stevenson, Deborah
Open University Press, 2003
Buku Teks SO
Knox, Paul
Longman, 1996
Buku Teks SO
edited by Irwin Press M. Estellie Smith
Macmillan , 1980
Buku Teks SO