Shaw, Josephine
Macmillan, 1993
Buku Teks
Groves, Peter J.
Cavendish, 1995
Buku Teks
Lasok, Dominik
Butterworth, 1991
Buku Teks
by George A. Bermann ... [et al.]
West Pub. Co., 1993
Buku Teks
Arnull, Anthony
Leicester University Press, 1990
Buku Teks