editors, Gerald P. Koocher, John C. Norcross, Sam S. Hill, III.
Oxford University Press, 2005
Buku Teks
edited by Andrew Heritage
Dorling Kindersley, 2000
Buku Referensi
Umar Hadi [and others]
Center for Dialogue and Cooperation among Civilization, 2011
Buku Teks
Yogyakarta, state islamic university(un) sunan kalijaga,
Majalah, Jurnal, Buletin
Harper and Row, 1984
Buku Referensi