Furlong, Monica
Distributed by Random House, 1987
Buku Teks
Anderson, Barry F.
Single Reef Press, 2002
Buku Teks
Wise, Claude Merton
Prentice-Hall, 1957
Buku Teks
Wise, David
Random House , 1964
Buku Teks
Cronin, Vincent
Rupert Hart-Davis, 1955
Buku Teks