Cornwell, K., author
English Language Book, 1981
Buku Teks
Tennant, Kylie, author
[Publisher not identified], 1956
Buku Teks
Tennant, Kylie, author
Macmillan, 1956
Buku Teks
Panton, Ronald L., author
John Wiley & Sons, 2005
Buku Teks
Schreier, Stefan, author
John Wiley & Sons, 1982
Buku Teks