APA citiranje

Black, M. (2006). Objective IELTS: Intermediate Workbook with Answers. Cambridge, UK: Cambridge University Press.

Trích dẫn kiểu Chicago

Black, Michael. Objective IELTS: Intermediate Workbook With Answers. Cambridge, UK: Cambridge University Press, 2006.

MLA citiranje

Black, Michael. Objective IELTS: Intermediate Workbook With Answers. Cambridge, UK: Cambridge University Press, 2006.

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