Soars, J., Sayer, M., & Soars, L. (2003). New headway English course: Advanced teacher's book. Oxford University Press.
Chicago Style (17th ed.) CitationSoars, John, Mike Sayer, and Liz Soars. New Headway English Course: Advanced Teacher's Book. Oxford: Oxford University Press, 2003.
MLA (9th ed.) CitationSoars, John, et al. New Headway English Course: Advanced Teacher's Book. Oxford University Press, 2003.
Warning: These citations may not always be 100% accurate.