Moffitt, Ian, author
Collins, 1982
Buku Teks
Ireland, David, author
Angus and Roberson Publishers, 1974
Buku Teks
Bedford, Jean, author
Penguins Books, 1987
Buku Teks
Johsnson, Colin
Hyland House, 1983
Buku Teks
Franklin, Miles, author
Angus and Roberson Publishers, 1979
Buku Teks