Staunton, Patricia J.
Harcourt, 2000
Buku Teks
Staunton, Patricia J.
W.B. Saunders , 1984
Buku Teks
Goode, Roy
Penguin Books, 2004
Buku Teks
McHale, Jean
Churchill Livingstone, 2007
Buku Teks
Diamond, A. S. (Arthur Sigismund)
Johnson`s, 1950
Buku Teks