Close, R. A. (1964). The new English grammar: Lessons in English as a foreign language. Harvard University Press.
Cita Chicago Style (17a ed.)Close, R. A. The New English Grammar: Lessons in English as a Foreign Language. Cambridge: Harvard University Press, 1964.
Cita MLA (9a ed.)Close, R. A. The New English Grammar: Lessons in English as a Foreign Language. Harvard University Press, 1964.
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