MLA

Flessner, Axel. European Contract Law 1: Formation, Validity, and Content of Contracts, Contract and Third Parties. Oxford, 1997.

APA

Flessner, A. (1997). European contract law 1: Formation, validity, and content of contracts, contract and third parties. Oxford.

Chicago

Flessner, Axel European Contract Law 1: Formation, Validity, and Content of Contracts, Contract and Third Parties. Oxford, 1997.