Lawrence, Mike, author
Which Books, 1995
Buku Teks
Wilhide, Elizabeth, author
Tabori & Chang, 1998
Buku Teks
Sudjic, Deyan, author
Mitchell Beazley, 1986
Buku Referensi
Jackson, Albert
HarperCollins, 1995
Buku Teks
Pritchard, David C., author
Longman, 1995
Buku Teks