Disney, A. R. (Anthony R.), 1938-, author
Cambridge University Press, 2009
Buku Teks
Cowan, Douglas E., author
BlackWell Publishing, 2007
Buku Teks
Evans, Patrick
Penguin Books, 1990
Buku Teks
Sinclair, Keith
Penguin Books, 1986
Buku Teks
Sinclair, Keith
Penguin Books, 1960
Buku Teks