Citazione Stile APA (7a Edizione)

Hutchinson, T. (1991). Hotline: Starter. Student's book. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford: Oxford University Press, 1991.

Citatione MLA (9a ed.)

Hutchinson, Tom. Hotline: Starter. Student's Book. Oxford University Press, 1991.