Hammond, Robert Bruce, author
Robert B. Hammond, 1956
Buku Teks
De Mente, Boye, author
Passport Books, 1992
Buku Referensi
Wigmore, Lionel, author
Australian War Memorial, 1957
Buku Teks
Clarke, H.D.B., author
Routledge, 1991
Buku Teks
Guset, Harry, author
Macmillan, 1989
Buku Teks