edited by Jens M. Scherpe
Edward Elgar Publishing, 2016
Buku Teks
Puxon, Margaret, author
Penguin Books, 1971
Buku Teks
Pace, P.J., author
Pitman, 1992
Buku Teks
Seng, Kenneth Wee Kim, author
University of Singapore, 1976
Buku Teks
O`rourke, Raymond
Palladian law Publishing Ltd., 1998
Buku Teks