Aziz Ahmad
Oxford University Press, 1967
Buku Teks
Ricklefs, M.C. (Merle Calvin), 1943-, author
NUS Press Singapore, 2007
Buku Teks
Mottahedeh, Roy P., author
I.B. Tauris Publishers, 2001
Buku Teks
Watt, William Montgomery, author
Edinburg University Press, 1980
Buku Teks
Ibrahim M. Abu-Rabi
BlackWell Publishing, 2006
Buku Teks