Cita APA (7a ed.)

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.