Huber, Carlo, author
The Council for Research Values and Philosophy , 2001
Buku Teks
Lari, Sayyid Mujtaba Musavi, author
Foundation of Islamic Cultural Propagation in The World, 1993
Buku Teks
Murray, Margaret Alice, author
Oxford University Press, 1970
Buku Teks
Frazer, James George, Sir, 1854-1941, author
Macmillan, 1955
Buku Teks
Forsyth, Frederick, 1938-, author
Corgi Books, 1994
Buku Teks