University of Cambridge. (2014). Cambridge preliminary English test 5 audio CD set: Authentic axemination papers from Cambridge ESOL. Việt Nam: Fahasa Printing Factory.
Trích dẫn kiểu ChicagoUniversity of Cambridge. Cambridge Preliminary English Test 5 Audio CD Set: Authentic Axemination Papers From Cambridge ESOL. Việt Nam: Fahasa Printing Factory, 2014.
MLA引文University of Cambridge. Cambridge Preliminary English Test 5 Audio CD Set: Authentic Axemination Papers From Cambridge ESOL. Việt Nam: Fahasa Printing Factory, 2014.
警告:這些引文格式不一定是100%准確.