Sharp, Andrew
Clarendon Press, 1963
Buku Teks
Perry, T.M.
Melbourne University Press, 1963
Buku Teks
Moorehead, Alan, author
Harper & Row, 1966
Buku Teks
Moorehead, Alan, author
Penguin Books, 1966
Buku Teks
Austin, K.A.
Rigby Limited, 1964
Buku Teks