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