Παραπομπή σε μορφή APA (7η εκδ.)

Soars, L., & Soars, J. (1996). New Headway English Course: Intermediate Workbook : with key (4th impression.). Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Soars, Liz, και John Soars. New Headway English Course: Intermediate Workbook : With Key. 4th impression. Oxford: Oxford University Press, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Soars, Liz, και John Soars. New Headway English Course: Intermediate Workbook : With Key. 4th impression. Oxford University Press, 1996.