Finn, Paul, author
Oxford University Press, 1987
Buku Referensi
Breeden, Stanley, author
Collins, 1973
Buku Teks
Hudson, W. J., author
Sydney University Press, 1970
Buku Teks
Jordens, Ann-Mari
Melbourne University Press, 1979.
Buku Teks
Crowley, F.K. (Francis Keble), 1924-2013, author
Nelson, 1980
Buku Teks