Modden, David
New York, Twayne, 1964
Buku Teks
Lari, Sayyid Mujtaba Musavi
Foundation of Islamic Cultural Propagation in The World, 1993
Buku Teks
Murray, Margaret Alice
Oxford University Press, 1970
Buku Teks
White, David Manning
Macmillan, 1983
Buku Teks
Siegel, James T., 1937-
University of California Press, 1969
Buku Teks