Bryett, Keith, author
Butterworth, 1993
Buku Teks
Bryett, Keith, author
Butterworth, 1994
Buku Teks
Keith Bryett [and others]
Batterworths, 1993
Buku Teks
National Crime Prevention Centre Government of Canada, 2001
Buku Teks
McLaughlin, Eugene, author
Avebury, 1994
Buku Teks