Mclachlan, Noel
Penguin Book, 1989
Buku Teks
Pascoe, Rob
Oxford University Press, 1979.
Buku Teks
Australia : Oxford University Press
Majalah, Jurnal, Buletin
by Peter Dennis, Jeffrey Grey, Ewan Morris, Robin Prior
Oxford University Press, 1995
Buku Referensi
edited by C.M.H. Clark
Angus & Robertson, 1955
Buku Teks