APA aipamena

Allen, M. (2007). IELTS graduation: Student's book. Oxford, UK: Macmillan publisher limited.

Chicago Style aipamena

Allen, Mark. IELTS Graduation: Student's Book. Oxford, UK: Macmillan publisher limited, 2007.

MLA aipamena

Allen, Mark. IELTS Graduation: Student's Book. Oxford, UK: Macmillan publisher limited, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.