Perkins, J.O.N., author
Melbourne University Press , 1982
Buku Teks
Canbera: Australian Government Publishing service, 1980,
Buku Referensi
by Constitutional Commission
Constitutional Commission, 1987
Buku Teks
French, Keneneth R., author
Princeton University Press, 2010
Buku Teks
edited by David Campbell
Sun Books, 1970
Buku Teks