National University of Singapore, [date of publication not identified]
Buku Referensi
National University of Singapore, 1997
Buku Teks
National University of Singapore, [date of publication not identified]
Buku Referensi
editor, Brian J. Rusbridge
Municipal Journal Limited, 1995
Buku Referensi
editor, Brian J. Rusbridge
Municipal Journal Limited, 1990
Buku Referensi