edited by Nick Bentley
Routledge, 2005
Buku Teks
Russell, John David
Johns Hopkins University Press, 1979
Buku Teks
Cambridge University Press, 2003
eBooks
Karl, Frederick R.
Thames & Hudson, 1970
Buku Teks
Sahlan Mohd. Saman
[Publisher not identified], [Date of publication not identified]
Buku Teks