Lenczowski, George, author
Cornell University Press, 1956
Buku Teks
Bill, James A., author
Little, Brown, 1979
Buku Teks
Ochsenwald, William, author
McGraw-Hill, 2011
Buku Teks
edited by Hussein Hassan Soliman
Routledge, 2013
Buku Teks
Lewis, Bernard, author
Weidenfeld and Nicolson, 1998
Buku Teks