Bell, Richard
The Edinburgh University Press , 1953
Buku Teks
Bell, Richard
T & T Clark, 1939
Buku Teks
Watt, William Montgomery, author
INIS, 1998
Buku Teks
Draz, M.A., author
I.B. Tauris , 2000
Buku Teks
Abu-Hamdiyyah, Mohammad, author
Routledge, 2000
Buku Teks