Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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