University of Cambridge. (2014). Cambridge key English test 5 audio CD: Examination papers from University of Cambridge ESOL examinations. Việt Nam: Fahasa Printing Factory.
استشهاد بنمط شيكاغوUniversity of Cambridge. Cambridge Key English Test 5 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.
MLA استشهادUniversity of Cambridge. Cambridge Key English Test 5 Audio CD: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.