Citazione Stile APA (7a Edizione)

Soars L. Liz, Soars J. John, & Falla T. Tim. (2003). New Headway Advanced: Workbook with key. Oxford, Oxford University Press, 2003.

Citazione stile Chigago Style (17a edizione)

Soars L. Liz, Soars J. John, e Falla T. Tim. New Headway Advanced: Workbook with Key. Oxford, Oxford University Press, 2003, 2003.

Citatione MLA (9a ed.)

Soars L. Liz, et al. New Headway Advanced: Workbook with Key. Oxford, Oxford University Press, 2003, 2003.