edited by Graeme Cheeseman, St. John Kettle
Pluto Press Australia, 1990
Buku Teks
Oates, Wallace E.
Edward Elgar, 2011
Buku Teks
Leach, Richard H.
W.W. Norton, 1970
Buku Teks
Artikel Jurnal
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1967
Buku Teks