Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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