Dictionary
London: Tiger Books International, 1994,
 Buku Referensi
Guandola, M.H.
Legal Dictionary
Merriam & Webster, INC, 1989
 Buku Teks
Dictionary of Law
1976
 Buku Teks
Corsini, Raymond J.
The dictionary of psychology
Brunner-Routledge, 2002
 Buku Teks
Collin, P. H.
Dictionary of business
Peter Collin Publishing, 2001
 Buku Teks