Close, R. A. (1964). The new English grammar: Lessons in English as a foreign language. Harvard University Press.
Dyfyniad Arddull ChicagoClose, R. A. The New English Grammar: Lessons in English as a Foreign Language. Cambridge: Harvard University Press, 1964.
Dyfyniad MLAClose, R. A. The New English Grammar: Lessons in English as a Foreign Language. Harvard University Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.