(2014). Certificate in Advanced English with Answers 1. Cambridge, Cambridge University Press, 2014.
Chicago Style (17. basım) AtıfCertificate in Advanced English with Answers 1. Cambridge, Cambridge University Press, 2014, 2014.
MLA (9th ed.) AtıfCertificate in Advanced English with Answers 1. Cambridge, Cambridge University Press, 2014, 2014.
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