APA (7e ed.) Bronvermelding

Chapman, L. (1974). English grammar and exercises: Book three. Longman.

Chicago (17e ed.) Bronvermelding

Chapman, L.R.H. English Grammar and Exercises: Book Three. London: Longman, 1974.

MLA (9e ed.) Bronvermelding

Chapman, L.R.H. English Grammar and Exercises: Book Three. Longman, 1974.