APA引文

Gude, K., & Kathy Gude. (2001). Matrix: Upper-intermediate Workbook. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Gude, Kathy, và Kathy Gude. Matrix: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.

MLA引文

Gude, Kathy, và Kathy Gude. Matrix: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.

警告：這些引文格式不一定是100％准確.