Editor by Simon Knell
Routledge , 1994
Buku Teks
Ingman, Terence
Blackstone, 1994
Buku Teks
McGhee, Terence J.
McGraw-Hill, 1991
Buku Teks
Dawson, Terence J.
University of New South Wales , 1995
Buku Teks
Bergstrom, Harald, author
Academic Press, 1982
Buku Teks