Cambridge University Press. (2011). Cambridge Key English Test 1: Examination Papers from University of Cambridge ESOL Examinations english for sprakers of other languages. Vietnam: Fahasa.
Stile di citazione ChicagoCambridge University Press. Cambridge Key English Test 1: Examination Papers From University of Cambridge ESOL Examinations English for Sprakers of Other Languages. Vietnam: Fahasa, 2011.
Citazione MLACambridge University Press. Cambridge Key English Test 1: Examination Papers From University of Cambridge ESOL Examinations English for Sprakers of Other Languages. Vietnam: Fahasa, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.