Soars, L., & Soars, J. (2002). New headway: English course beginner student's book. Oxford.
Citazione stile Chigago Style (17a edizione)Soars, Liz, e John Soars. New Headway: English Course Beginner Student's Book. New York: Oxford, 2002.
Citatione MLA (9a ed.)Soars, Liz, e John Soars. New Headway: English Course Beginner Student's Book. Oxford, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.