Brazier, Rodney, author
Oxford University Press, 1988
Buku Teks
Woll, Peter, author
Little, Brown , 1986
Buku Teks
Woll, Peter, author
Little, Brown, 1982
Buku Teks
Feith, Herbert
Equinox, 2007
Buku Teks
Feith, Herbert
Cornell University , 1962
Buku Teks