Brown, A.J.
Melbourne University Press, 1951
Buku Teks SO
Gillie, F.B.
The Hague, 1971
Buku Teks SO
edited by Andrew Blowers and Bob Evans
Routledge, 1997
Buku Teks
edited by Andrew Blowers, Bob Evans
Routledge, 1997
Buku Teks SO
Roberts, Margaret
Hutchinson & Co (Publisher) LTD, 1974
Buku Teks SO