APA aipamena

Adams, G. (2003). 202 useful exercises for IELTS. Nxb Trẻ.

Chicago Style aipamena

Adams, Garry. 202 Useful Exercises for IELTS. Nxb Trẻ, 2003.

MLA aipamena

Adams, Garry. 202 Useful Exercises for IELTS. Nxb Trẻ, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.