Cambridge University Press. (2011). Cambridge Key English Test 6: Examination Papers from University of Cambridge ESOL Examinations english for sprakers of other languages. Vietnam: Fahasa.
Chicago-стиль цитированияCambridge University Press. Cambridge Key English Test 6: Examination Papers From University of Cambridge ESOL Examinations English for Sprakers of Other Languages. Vietnam: Fahasa, 2011.
MLA-цитированиеCambridge University Press. Cambridge Key English Test 6: Examination Papers From University of Cambridge ESOL Examinations English for Sprakers of Other Languages. Vietnam: Fahasa, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.