Law in the service of peace two concepts
International Association of Democratic Lawyers
IADL, 1963
 Buku Teks
Chirelstein, Marvin A.
Concepts and case analysis in the law of contracts
The Foundation Press, 1993
 Buku Teks
Burns, Peter J.
The Leiden legacy : concepts of law in Indonesia
Pradnya Paramita, 1999
 Buku Teks
Burns, Peter J.
The Leiden legacy: concepts of law in Indonesia
KITLV Uitgeverij, 2004
 Buku Teks
Law and economics : critical concepts in law / edited by Nicholas Mercuro
Routledge, 2007
 Buku Teks