APA (7th ed.) Zitazioa
Elliott, C. (2007). Contract law (6th ed.). Pearson.
Chicago Style (17th ed.) Zitazioa
Elliott, Catherine. Contract Law. 6th ed. Harlow, England: Pearson, 2007.
MLA (9th ed.) Zitazioa
Elliott, Catherine. Contract Law. 6th ed. Pearson, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.