Trích dẫn APA

Wallwork, A. (2012). International express: Workbook Upper- Intermediate. Anh: Oxford University.

Trích dẫn kiểu Chicago

Wallwork, Adrian. International Express: Workbook Upper- Intermediate. Anh: Oxford University, 2012.

MLA Trích dẫn

Wallwork, Adrian. International Express: Workbook Upper- Intermediate. Anh: Oxford University, 2012.

Warning: These citations may not always be 100% accurate.