Monteiro, George, author
University of Kentucky Press, 1996
Buku Teks
The Unesco Press, 1974
Buku Teks
edited by David Dabydeen
Manchester University Press, 1985
Buku Teks
Posner, Richard A., author
Clarendon Press, 1996
Buku Teks
Clark, J. Desmond
Penguin Books Inc., 1959
Buku Teks