Butlin, S.J.
Melbourne University Press, 1953
Buku Teks
Butlin, S.J.
Australian War Memorial, 1955
Buku Teks
Butlin, S.J.
Australian War Memorial, 1955
Buku Teks
Woodford, Michael, author
Princeton University Press, 2003
Buku Teks
Woodworth, George Walter, author
McGraw-Hill, 1950
Buku Teks