Cuthbert, Mike
Cavendish Publishing Limited, 1993
Buku Teks
edited by Robert M. Maclean
[Publisher not identified], [Date of publication not identified]
Buku Teks SO
Shaw, Josephine
Macmillan, 1993
Buku Teks SO
Groves, Peter J.
Cavendish, 1995
Buku Teks
by George A. Bermann ... [et al.]
West Pub. Co., 1993
Buku Teks