Cambridge University Press. (2010). Cambridge key english test 3: With answers : examinations papers from University of Cambridge ESOL examinations : english for speakers of other languages ([1st publ. 2003, 9th printing 2010].). Cambridge, United Kingdom: Cambridge University Press.
Citación estilo ChicagoCambridge University Press. Cambridge Key English Test 3: With Answers : Examinations Papers From University of Cambridge ESOL Examinations : English for Speakers of Other Languages. [1st publ. 2003, 9th printing 2010]. Cambridge, United Kingdom: Cambridge University Press, 2010.
Cita MLACambridge University Press. Cambridge Key English Test 3: With Answers : Examinations Papers From University of Cambridge ESOL Examinations : English for Speakers of Other Languages. [1st publ. 2003, 9th printing 2010]. Cambridge, United Kingdom: Cambridge University Press, 2010.