APA引文

Soars John & Hughes, S. (2019). Headway: Pre-intermediate Teacher's Guide (quinta edición.). Oxford University Press.

Chicago Style (17th ed.) Citation

Soars John and Stacy Hughes. Headway: Pre-intermediate Teacher's Guide. quinta edición. Oxford, United Kingdom: Oxford University Press, 2019.

MLA引文

Soars John and Stacy Hughes. Headway: Pre-intermediate Teacher's Guide. quinta edición. Oxford University Press, 2019.