edited by John Paynter, Tim Howell, Rchard Orton and Peter Seymour
Routledge, 1992
Buku Referensi
edited by David Greenaway, Michael Bleaney, and Ian Stewart
Routledge, 1991
Buku Referensi
Ibrahim M. Abu-Rabi
BlackWell Publishing, 2006
Buku Teks
edited by Andrew M. Colman
Routledge, 1994
Buku Referensi
edited by Graeme Barker
Routledge, 1999
Buku Referensi