Williamson, David, author
The Currency Press, 1974
Buku Teks
Williamson, David
The Currency Press, 1986
Buku Teks
O`Casey, Sean
MacMillan, Press, 1973
Buku Teks
Williamson, David, author
Currency Press, 1980
Buku Teks
Foreign Languages Publishing, [date of publication not identified]
Buku Teks