Trích dẫn APA

Harding, K. (2004). International express: Student's book: Upper-Intermediate. Anh: Oxford University.

Trích dẫn kiểu Chicago

Harding, Keith. International Express: Student's Book: Upper-Intermediate. Anh: Oxford University, 2004.

MLA Trích dẫn

Harding, Keith. International Express: Student's Book: Upper-Intermediate. Anh: Oxford University, 2004.

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