Lewis, Lesley
David & Charles, 1980
Buku Teks
Graham, Bruce Desmond
Australian National University Press, 1966
Buku Teks
Norden, Mary
Conran Octopus Limited, 2000
Buku Referensi
Waller, Robert James
Warner Books, 1992
Buku Teks
Tulloch, Mitch
Currency Press, 1986
Buku Teks