edited by Simon Malpas, Paul Wake
Routledge, 2006
Buku Teks SO
edited by Berys Gaut, Dominic Mclver Lopes
Routledge, 2005
Buku Teks SO
Stathis Psillos, Martin Curd, editor
Routledge, 2008
Buku Teks
edited by Berys Gaut, Dominic McIver Lopes
Routledge, 2006
Buku Referensi
Paul Cobley
Routledge , 2001
Buku Teks SO