Cita APA (7a ed.)

Close, R. (1968). English as a foreign language: Grammar and syntax for teachers and advanced students (4th impression.). George Allen & Unwin.

Cita Chicago Style (17a ed.)

Close, R.A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. 4th impression. London: George Allen & Unwin, 1968.

Cita MLA (9a ed.)

Close, R.A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. 4th impression. George Allen & Unwin, 1968.