University of Cambridge. (2011). Cambridge key English test 2 with answers: Examination papers from University of Cambridge ESOL examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory.
Trích dẫn kiểu ChicagoUniversity of Cambridge. Cambridge Key English Test 2 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory, 2011.
MLA引文University of Cambridge. Cambridge Key English Test 2 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory, 2011.
警告：這些引文格式不一定是100％准確.