Cita APA (7th ed.)

Close, R. (1971). The New english grammer. Allen & Unwin Publ.

Cita Chicago (17th ed.)

Close, R. The New English Grammer. London: Allen & Unwin Publ, 1971.

Cita MLA (9th ed.)

Close, R. The New English Grammer. Allen & Unwin Publ, 1971.