Lee, Stuart D.
Facet, 2002
Buku Teks
Sinclair, Ian R.
Newnes Butterworth-Heinemann, 1994
Buku Teks
edited by Matt Bonass, Michael Rudd
Globe Law and Business, 2010
Buku Teks
edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks
Frederiksen, Linda
Elsevier Ltd.,, 2016
Buku Teks