University of Cambridge. (2009). Cambridge IELTS 7 with answers: Examination papers from University of Cambridge ESOL examinations: English for Speakers of Other Languages. New York: Cambridge university Press.
Styl ChicagoUniversity of Cambridge. Cambridge IELTS 7 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge university Press, 2009.
Citace podle MLAUniversity of Cambridge. Cambridge IELTS 7 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge university Press, 2009.
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