Citazione Stile APA (7a Edizione)
Soars, L., & Soars, J. (2005). New Headway: Upper-Intermediate : Student's Book (3. edition, 1. published 2005.). Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Soars, Liz, e John Soars. New Headway: Upper-Intermediate : Student's Book. 3. edition, 1. published 2005. Oxford: Oxford University Press, 2005.
Citatione MLA (9a ed.)
Soars, Liz, e John Soars. New Headway: Upper-Intermediate : Student's Book. 3. edition, 1. published 2005. Oxford University Press, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.