APA引文

David Foll. (1997). Fisrt certificate avenues workbook. Cambridge, UK: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

David Foll. Fisrt Certificate Avenues Workbook. Cambridge, UK: Cambridge Univ. Press, 1997.

MLA引文

David Foll. Fisrt Certificate Avenues Workbook. Cambridge, UK: Cambridge Univ. Press, 1997.

警告：这些引文格式不一定是100％准确.