Citazione Stile APA (7a Edizione)

ALIEN, W. S. (1959). Living english structure; a practice: Book for foreign students (4th ed.). Longman.

Citazione stile Chigago Style (17a edizione)

ALIEN, W. Stannard. Living English Structure; a Practice: Book for Foreign Students. 4th ed. London: Longman, 1959.

Citatione MLA (9a ed.)

ALIEN, W. Stannard. Living English Structure; a Practice: Book for Foreign Students. 4th ed. Longman, 1959.