APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.