edited by Brian Carr, Indira Mahalingam
Routledge, 1997
Buku Referensi
Stathis Psillos, Martin Curd, editor
Routledge, 2008
Buku Teks
edited by Bob Hale and Crispin Wright
Blackwell, 1997
Buku Teks SO
Garry L. Hagberg and Walter Jost, editors
Wiley Balckwell, 2010
Buku Teks SO
edited by Nicholas Bunnin and E. P. Tsui-James
Wiley, 2003
Buku Teks SO