edited by Brian Hunter
Macmillan, 1992
Buku Referensi
edited by S.H. Steinberg and John Paxton
Macmillan St Martin`s Press, 1969
Buku Referensi
Macmillan St Martin`s Press, 1953
Buku Referensi
Jeddah Islamic Development Bank. Islamic Research and Training Institute 1992, T.th
Buku Teks SO
YEAR Incorporated, [Date of publication not identified]
Buku Teks SO