APA-referens (7:e uppl.)
Bonell, M. J. (2005). An international restatement of contract law: The UNIDROIT principles of international commercial contracts (3rd ed.). Transnational Publishers.
Chicago-referens (17:e uppl.)
Bonell, Michael Joachim. An International Restatement of Contract Law: The UNIDROIT Principles of International Commercial Contracts. 3rd ed. Ardsley, N.Y.: Transnational Publishers, 2005.
MLA-referens (9:e uppl.)
Bonell, Michael Joachim. An International Restatement of Contract Law: The UNIDROIT Principles of International Commercial Contracts. 3rd ed. Transnational Publishers, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.