APA Citatie

John, & John and Liz Soars. (2000). New Headway English Course: Pre-intermediate (Workbook with key). Oxford: Oxford University Press.

Chicago Style citaat

John, en John and Liz Soars. New Headway English Course: Pre-intermediate (Workbook With Key). Oxford: Oxford University Press, 2000.

MLA citatie

John, en John and Liz Soars. New Headway English Course: Pre-intermediate (Workbook With Key). Oxford: Oxford University Press, 2000.