APA ציטוט

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.

ציטוט MLA

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