APA (7th ed.) Zitazioa

Chapman, L. (1964). English grammar and exercises: Book two. Longman.

Chicago Style (17th ed.) Zitazioa

Chapman, L.R.H. English Grammar and Exercises: Book Two. London: Longman, 1964.

MLA (9th ed.) Zitazioa

Chapman, L.R.H. English Grammar and Exercises: Book Two. Longman, 1964.