Dennis, Peter
Allen & Unwin , 1996
Buku Teks
Dennis, Peter
Buku Teks
Comber, Leon, author
Institute of South East Asia Studies, 2015
eBooks
by Peter Dennis, Jeffrey Grey, Ewan Morris, Robin Prior
Oxford University Press, 1995
Buku Referensi
Grey, Jeffrey
Cambridge University Press, 1990
Buku Teks