Dixon, Robert, author
Cambridge University Press, 1995
eBooks
Reynolds, Kimberley
Harvester Wheatsheaf, 1990
Buku Teks
Nash, Walter, author
Routledge, 1990
Buku Teks
Chang, H.C., author
Edinburgh University Press, 1973
Buku Teks
edited by Tony Bennet
Routledge, 1990
Buku Teks