Citazione Stile APA (7a Edizione)
Soars, J. a. L. (2007). New Headway: Intermediate. Workbook with key. The third edition. Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Soars, John and Liz. New Headway: Intermediate. Workbook with Key. The Third Edition. Oxford: Oxford University Press, 2007.
Citatione MLA (9a ed.)
Soars, John and Liz. New Headway: Intermediate. Workbook with Key. The Third Edition. Oxford University Press, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.