Huber, Carlo, author
The Council for Research Values and Philosophy , 2001
Buku Teks
Yardan, John L., author
The Council for Research in Values and Philosophy , 2001
Buku Teks
Lari, Sayyid Mujtaba Musavi, author
Foundation of Islamic Cultural Propagation in The World, 1993
Buku Teks
Park, Francis Y. T., author
Hollym International , 1984
Buku Teks
Graham, Billy
World Wide Publications, 1984
Buku Teks