Soars, L., Devoy, J., & Soars, J. (1998). New headway English course: Upper-intermediate workbook without key. New York: Oxford University Press.
Chicago Style CitationSoars, Liz, Jo Devoy, and John Soars. New Headway English Course: Upper-intermediate Workbook Without Key. New York: Oxford University Press, 1998.
MLA CitationSoars, Liz, Jo Devoy, and John Soars. New Headway English Course: Upper-intermediate Workbook Without Key. New York: Oxford University Press, 1998.
Warning: These citations may not always be 100% accurate.