Cambridge ESOL. (2006). examination papers from the University of Cambridge ESOL examinations—English for speakers of other languages: Cambridge ESOL.
Chicago-viite (17. p.)Cambridge ESOL. Examination Papers from the University of Cambridge ESOL Examinations—English for Speakers of Other Languages: Cambridge ESOL. Cambridge University Press, 2006.
MLA-viite (9. p.)Cambridge ESOL. Examination Papers from the University of Cambridge ESOL Examinations—English for Speakers of Other Languages: Cambridge ESOL. 2006.
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