Citazione Stile APA (7a Edizione)

Soars, J., & Soars, L. (2003). New headway: Advanced Student's book. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Soars, John, e Liz Soars. New Headway: Advanced Student's Book. New York: Oxford University Press, 2003.

Citatione MLA (8a ed.)

Soars, John, e Liz Soars. New Headway: Advanced Student's Book. Oxford University Press, 2003.