APA ציטוט

Oxenden, C. (2008). American English file: Workbook 4. Oxford: Oxford University.

Trích dẫn kiểu Chicago

Oxenden, Clive. American English File: Workbook 4. Oxford: Oxford University, 2008.

ציטוט MLA

Oxenden, Clive. American English File: Workbook 4. Oxford: Oxford University, 2008.