Citazione Stile APA (7a Edizione)

Willes, J. H., & Willes, J. A. (2005). International business law: Environments and transactions. McGraw - Hill.

Citazione stile Chigago Style (17a edizione)

Willes, John H., e John A. Willes. International Business Law: Environments and Transactions. Boston: McGraw - Hill, 2005.

Citatione MLA (9a ed.)

Willes, John H., e John A. Willes. International Business Law: Environments and Transactions. McGraw - Hill, 2005.