एपीए उद्धरण

University of Cambridge. (2014). Cambridge key English test 3 audio CD: Examination papers from University of Cambridge ESOL examinations. Việt Nam: Fahasa Printing Factory.

शिकागो स्टाइल उद्धरण

University of Cambridge. Cambridge Key English Test 3 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.

एमएलए उद्धरण

University of Cambridge. Cambridge Key English Test 3 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.