APA Citatie

Oxenden, C. (2009). American English file: Workbook 4. Oxford: Oxford University Press.

Chicago Style citaat

Oxenden, Clive. American English File: Workbook 4. Oxford: Oxford University Press, 2009.

MLA citatie

Oxenden, Clive. American English File: Workbook 4. Oxford: Oxford University Press, 2009.