Citazione Stile APA (7a Edizione)

Liz, McCaul Jo, & Soars, J. (2018). New headway: Elementary. workbook without key (Fifth edition.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Liz, McCaul Jo, e John Soars. New Headway: Elementary. Workbook Without Key. Fifth edition. Oxford: Oxford University Press, 2018.

Citatione MLA (9a ed.)

Liz, et al. New Headway: Elementary. Workbook Without Key. Fifth edition. Oxford University Press, 2018.