Reid, Anthony, 1939-
Oxford University Press, 1979
Buku Teks SO
Sternberg, Fritz
The John Day, 1953
Buku Teks SO
Lieberthal, Kenneth G.
Stanford University Press, 1980
Buku Teks SO
Daniels, Robert V.
Routledge, 1994
Buku Teks SO
Berdnt, Ronald M.
Australian Institute of Aboriginal Studies, 1987
Buku Teks SO