Chanter, Tina
Continuum, 2006
Buku Teks SO
Vernon, Mark
RajaGrafindo Persada, 2011
Buku Teks
Barry Lee, editor
Continuum International Pub. Group, 2011
Buku Teks SO
Baggini, Julian
Palgrave Macmillan, 2012
Buku Teks SO
edited by Sarah L. Holloway, Stephen P. Rice, Gill Valentine
Sage, 2003
Buku Teks SO