APA (7th ed.) Citation
Soars, J., & Soars, L. (1996). New Headway English Course: Intermediate Student's Book (23. vyd.). Oxford University Press.
Chicago Style (17th ed.) Citation
Soars, John, and Liz Soars. New Headway English Course: Intermediate Student's Book. 23. vyd. Oxford: Oxford University Press, 1996.
MLA (9th ed.) Citation
Soars, John, and Liz Soars. New Headway English Course: Intermediate Student's Book. 23. vyd. Oxford University Press, 1996.
Warning: These citations may not always be 100% accurate.