APA (7th ed.) Zitazioa
(1982). A supplement to the oxford English dictionary. OUP.
Chicago Style (17th ed.) Zitazioa
A Supplement to the Oxford English Dictionary. London: OUP, 1982.
MLA (9th ed.) Zitazioa
A Supplement to the Oxford English Dictionary. OUP, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.