Anderson, George, author
Oxford University Press, 2012
Buku Teks
Livingston, William S.
At The Clarendon Press, 1956
Buku Teks
Al-Chaidar, author
Madani Press, 2000
Buku Teks
Rossum, Ralph A., author
Lexington Books, 2001
Buku Teks
Danubian Press,, 1970
Buku Teks