edited by D.C. Smith and Y. Tiffon
Pergamon Press, 1980
Buku Teks
Williams & WIlkims , 1990
Buku Teks
Cambridge University Press, 1982
Buku Teks
Bentley, P.J.
Cambridge University Press, 1982
Buku Teks
by Malcolm S. Gordon [and others]
Macmillan, 1977
Buku Teks