APA aipamena

(2007). The law of contract (ed.3.). Lexis Nexis Buttorworths.

Chicago Style aipamena

The Law of Contract. ed.3. London: Lexis Nexis Buttorworths, 2007.

MLA aipamena

The Law of Contract. ed.3. Lexis Nexis Buttorworths, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.