Chapman, R.J.K.
George Allen and Unwin, 1984
Buku Teks
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1963
Buku Teks
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1972
Buku Teks
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1974
Buku Teks
Ferguson, John H.
McGraw-Hill, 1981
Buku Teks