Cambridge English language assessment. (2017). Cambridge English IELTS 9 with answers: Authentic examination papers from Cambridge Esol. England: Cambridge University press.
Chicago Stili AlıntıCambridge English language assessment. Cambridge English IELTS 9 With Answers: Authentic Examination Papers From Cambridge Esol. England: Cambridge University press, 2017.
MLA AlıntıCambridge English language assessment. Cambridge English IELTS 9 With Answers: Authentic Examination Papers From Cambridge Esol. England: Cambridge University press, 2017.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..