APA引文

Hughes, J. (2005). Business focus: Elementary workbook. Oxford: Oxford University.

Trích dẫn kiểu Chicago

Hughes, John. Business Focus: Elementary Workbook. Oxford: Oxford University, 2005.

MLA引文

Hughes, John. Business Focus: Elementary Workbook. Oxford: Oxford University, 2005.

警告：這些引文格式不一定是100％准確.