Esposito, John L., author
Syracuse University Presss, 1984
Buku Teks
Moh. Sjafaat Mintaredja, author
Siliwangi, 1972
Buku Teks
Hunter, Shireen, author
M.E. Sharpe, 2004
Buku Teks
Mayer, Ann Elizabeth, author
Westview Press, 1995
Buku Teks
George, T.J.S
Oxford University Press, 1980
Buku Teks