APA (7th ed.) Zitazioa

Adams, J. N. (2007). Understanding contract law (5th ed.). Sweet & Maxwell.

Chicago Style (17th ed.) Zitazioa

Adams, John N. Understanding Contract Law. 5th ed. London: Sweet & Maxwell, 2007.

MLA (9th ed.) Zitazioa

Adams, John N. Understanding Contract Law. 5th ed. Sweet & Maxwell, 2007.