Covington, Vicki
Penguin Books, 1990
Buku Teks
Granin, Daniil
Progress, 1965
Buku Teks
Sneden, Private Robert Knox
The Free Press, 2000
Buku Teks
White, Patrick, 1912-1990
Penguin Books, 1973
Buku Teks
Pilcher, Rosamunde
Coronet Books, 1991
Buku Teks