Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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