Παραπομπή σε μορφή APA (7η εκδ.)

Liz, McCaul, J., & Soars, J. (2019). New headway: Pre-intermediate. workbook with key (Fifth edition.). Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Liz, Jo McCaul, και John Soars. New Headway: Pre-intermediate. Workbook with Key. Fifth edition. Oxford: Oxford University Press, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Liz, et al. New Headway: Pre-intermediate. Workbook with Key. Fifth edition. Oxford University Press, 2019.