Citazione Stile APA (7a Edizione)

Bonell, M. J. (1997). An international restatement of contract law: The UNIDROIT principles of international commercial contracts (2nd enl. ed.). Transnational Publishers.

Citazione stile Chigago Style (17a edizione)

Bonell, Michael Joachim. An International Restatement of Contract Law: The UNIDROIT Principles of International Commercial Contracts. 2nd enl. ed. Irvington-on-Hudson, N.Y: Transnational Publishers, 1997.

Citatione MLA (9a ed.)

Bonell, Michael Joachim. An International Restatement of Contract Law: The UNIDROIT Principles of International Commercial Contracts. 2nd enl. ed. Transnational Publishers, 1997.