Evans, Gareth, 1944-
Melbourne University Press, 1991
Buku Teks
edited Norman J. Glickman
John Hopkins University Press, 1980
Buku Teks
Dunbar, Ian
Black Stone Press Limited, 1998
Buku Teks
Artikel Jurnal
Babbage, Ross, 1949-
Allen & Unwin, 1990
Buku Teks