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