King-Hall, Stephen
Faber and Faber, 1943
Buku Teks
Meinhardt, Peter, author
Gower Press, 1971
Buku Teks
Wilson, Jo, author
Lancaster Quay Publishing , 1994
Buku Teks
Schmitthoff, Clive M., author
Stevens and Sons Limited, 1975
Buku Teks
Schmitthoff, Clive M., author
Stevens & Sons, 1990
Buku Teks