Clark, G. Kitson
Methuen & Co., Ltd., 1962
Buku Teks
Mawer, A., author
At The University Press, 2014
Buku Teks
edited by F.J.C. Hearnshaw
Barnes & Noble, 1949
Buku Teks
Columbia University Press, 1991
Buku Teks
Andrew T S Wee, editor
World Scientific , 2009
Buku Teks