Boyd, R.G.
Frederick A. Praeger , 1962
Buku Teks
Pettman, Ralph
Australian National University Press, 1973
Buku Teks
Guoguang Wu, Helen Lansdowne, editor
Routledge, 2008
Buku Teks
Levi, Werner
Minnesota Press, 1953
Buku Teks
edited by Gilbert Rozman
Palgave Macmillan, 2013
Buku Teks