APA (7th ed.) Zitazioa
Samuel, G. (2007). Contract law: Cases and materials (ed.). Sweet & Maxwell.
Chicago Style (17th ed.) Zitazioa
Samuel, Geoffrey. Contract Law: Cases and Materials. ed. London: Sweet & Maxwell, 2007.
MLA (9th ed.) Zitazioa
Samuel, Geoffrey. Contract Law: Cases and Materials. ed. Sweet & Maxwell, 2007.
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