ebrary, Inc, & Bonell, M. J. (2006). The UNIDROIT principles in practice: Caselaw and bibliography on the UNIDROIT principles of international commercial contracts (2nd ed.). Transnational Publishers.
Chicago-referens (17:e uppl.)ebrary, Inc, och Michael Joachim Bonell. The UNIDROIT Principles in Practice: Caselaw and Bibliography on the UNIDROIT Principles of International Commercial Contracts. 2nd ed. Ardsley, N.Y.: Transnational Publishers, 2006.
MLA-referens (9:e uppl.)ebrary, Inc, och Michael Joachim Bonell. The UNIDROIT Principles in Practice: Caselaw and Bibliography on the UNIDROIT Principles of International Commercial Contracts. 2nd ed. Transnational Publishers, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.