Brodkey, Robert S.
McGraw-Hill, 1988
Buku Teks
Bakwin, Harry
Saunders, 1972
Buku Teks
Cross, Harry E.
University of California, Berkeley, 1981
Buku Teks
Mann, J., author
Clarendon Press, 1980
Buku Teks
Richter, Gerhart, author
Gerg Thieme, 1978
Buku Teks