University of Cambridge. (2014). Cambridge key English test 2 audio CD: Examination papers from University of Cambridge ESOL examinations. Việt Nam: Fahasa Printing Factory.
Chicago-стиль цитированияUniversity of Cambridge. Cambridge Key English Test 2 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.
MLA-цитированиеUniversity of Cambridge. Cambridge Key English Test 2 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.