Thomas B. Barbara & Thomas A. Amanda. (2008). Complete First Certificate: Workbook with answers. Cambridge, Cambridge University Press, 2008.
Chicago Style (17. basım) AtıfThomas B. Barbara ve Thomas A. Amanda. Complete First Certificate: Workbook with Answers. Cambridge, Cambridge University Press, 2008, 2008.
MLA (9th ed.) AtıfThomas B. Barbara ve Thomas A. Amanda. Complete First Certificate: Workbook with Answers. Cambridge, Cambridge University Press, 2008, 2008.
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