APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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