University of Cambridge. (2011). Cambridge key English test 1 with answers: Examination papers from University of Cambridge ESOL examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory.
Trích dẫn kiểu ChicagoUniversity of Cambridge. Cambridge Key English Test 1 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory, 2011.
MLA CitationUniversity of Cambridge. Cambridge Key English Test 1 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. Việt Nam: Fahasa Printing Factory, 2011.
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