APA (7th ed.) Zitazioa

Hill, L. (1970). Elementary refresher course. Oxford University Pr.

Chicago Style (17th ed.) Zitazioa

Hill, L.A. Elementary Refresher Course. London: Oxford University Pr, 1970.

MLA (9th ed.) Zitazioa

Hill, L.A. Elementary Refresher Course. Oxford University Pr, 1970.