Παραπομπή σε μορφή APA (7η εκδ.)

Close, R. A. (1962). English as a foreign language: Grammar and syntax for teachers and advanced students. Allen & Unwin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Close, R. A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. London: Allen & Unwin, 1962.

Παραπομπή σε μορφή MLA (9th εκδ.)

Close, R. A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. Allen & Unwin, 1962.