Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, και Michael Joachim Bonell. The UNIDROIT Principles in Practice: Caselaw and Bibliography on the UNIDROIT Principles of International Commercial Contracts. 2nd ed. Transnational Publishers, 2006.