Gillespie, Stuart, author
Wiley, 2011
Buku Teks
Joel Faflak and Julia M. Wright, editors
Wiley Balckwell, 2016
Buku Teks
Adams, James E., author
Wiley-Blackwell, 2009
Buku Teks
Trotter, David, author
Routledge, 1993
Buku Teks
edited by Arvind Krishna Mehrotra
Permanent Black in association with Ravi Dayal Publishers, 2003
Buku Teks