gues-edited by Neil Spiller
Academy Editions, 1998
Buku Teks
edited by Maggie Toy
Academy Editions, 1995.
Buku Teks
Murray, Janet Horowitz, author
The Free Press, 1997
Buku Teks
Haynes, Colin, author
Aslib, 1995
Buku Teks
Buick, Joanna, author
Icon Books, 1995
Buku Teks