Kaufman, Lenard
Random House , 1950
Buku Teks
Blyton, Enid, author
Hodder & Stoughton, 1944
Buku Teks
Fisher, Janet
Scolar Press, 1994
Buku Referensi
Reynolds, Kimberley
Harvester Wheatsheaf, 1990
Buku Teks
Bienkowski, Andrew, author
Pocket Books, 2009
Buku Teks