APA aipamena

Soars, J., Soars, L., & Wheeldon, S. (2007). New headway: Upper-intermediate : workbook with key. Oxford: Oxford University Press.

Chicago Style aipamena

Soars, John., Liz Soars, và Sylvia Wheeldon. New Headway: Upper-intermediate : Workbook With Key. Oxford: Oxford University Press, 2007.

MLA aipamena

Soars, John., Liz Soars, và Sylvia Wheeldon. New Headway: Upper-intermediate : Workbook With Key. Oxford: Oxford University Press, 2007.