The World's religions
edited by Stewart Sutherland, Leslie Houlden, Peter Clarke, Friedhelm Hardy
Routledge, 1988
 Buku Referensi
Ferm, Vergillius
Living schools of religion (religion in the twentieth century)/ esdited by Vergilius Ferms
Littlefield, Adams, 1961
 Buku Teks
The concise encyclopedia of living faiths
Hutchinson, 1959
 Buku Referensi
Dirks, Jerald F.
The abrahamic faiths
Almahira, 2006
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The World's religions: Islam
edited by Peter Clarke
Routledge, 1988
 Buku Teks