Hughes, G. S. (1990). A handbook of classroom English. Oxford University Press.
Chicago Style aipamenaHughes, Glyn S. A Handbook of Classroom English. Oxford: Oxford University Press, 1990.
MLA aipamenaHughes, Glyn S. A Handbook of Classroom English. Oxford University Press, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.