APA引文

Cliff, P. (2006). Young Learners English Tests. Oxford University.

Trích dẫn kiểu Chicago

Cliff, Petrina. Young Learners English Tests. Oxford University, 2006.

MLA引文

Cliff, Petrina. Young Learners English Tests. Oxford University, 2006.

警告：這些引文格式不一定是100％准確.