APA Alıntı

Koenig, C. L., Oxenden, C., & Boyle, M. (2013). American English file: Workbook. Oxford: Oxford University Press.

Chicago Stili Alıntı

Koenig, Chistina Latham, Clive Oxenden, ve Mike Boyle. American English File: Workbook. Oxford: Oxford University Press, 2013.

MLA Alıntı

Koenig, Chistina Latham, Clive Oxenden, ve Mike Boyle. American English File: Workbook. Oxford: Oxford University Press, 2013.