Doyle, Roddy, author
Penguin Books, 1996
Buku Teks
Rendell, Frank
Thomas Telford, 1999
Buku Teks
Rendell, Jane
Palgrave Macmillan, 2008
Buku Teks
Rosenthal, Marilynn M., author
Open University Press, 1995
Buku Teks
Yim, Seock Jae, author
Ewha Womans University Press, 2005
Buku Teks