George, Robert Lloyd.
Woodhead Faulkner, 1992
Buku Teks
edited by Reeva S. Simon, Philip Mattar and Richard W. Bulliet
Macmillan, 1996
Buku Referensi
Davis, Helen Miller
Duke University Press, 1953
Buku Teks
Battaglia, Roberto
Odhams Press, 1957
Buku Teks
Herington, John
Australia War Memorial, 1963
Buku Teks