edited by John Paynter, Tim Howell, Richard 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
Baines, Anthony
Oxford University Press, 1992
Buku Referensi