Cambridge University Press, 1994
Buku Teks
Ghosh, JC
Curzon Press, 1948
Buku Teks
Anceaux, J.C. (Johannes Cornelis), 1920-
Foris Publication, 1988
Buku Teks
Munroe, C. J.
David & Charles, 1979
Buku Teks
Holme, David J., author
Longman Scientific & Technical, 1993
Buku Teks