APA引文

Quintana, J. (2010). PET Result Workbook with key. OXFORD.

Trích dẫn kiểu Chicago

Quintana, Jenny. PET Result Workbook With Key. OXFORD, 2010.

MLA引文

Quintana, Jenny. PET Result Workbook With Key. OXFORD, 2010.

警告：這些引文格式不一定是100％准確.