APA (7th ed.) Zitazioa

HILL, L. (1968). A guide to correct English (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

HILL, L.A. A Guide to Correct English. 2nd ed. London: Oxford University Press, 1968.

MLA (9th ed.) Zitazioa

HILL, L.A. A Guide to Correct English. 2nd ed. Oxford University Press, 1968.