J.P. Singh, Madeline Carr and Renée Marlin-Bennett, editors
Routledge, Taylor & Francis Group, 2019
Buku Teks
Synne L. Dyvik, Jan Selby and Rorden Wilkinson, editora
Routledge, Taylor & Francis Group, 2017
Buku Teks
Williams, Howard
St.Maitin's Press, 1996
Buku Teks SO
edited by Jeffrey L. Dunoff, Mark A. Pollack
Cambridge University Press, 2013
Buku Teks
Griffith, Martin, author
Routledge, 2002
Buku Teks