APA aipamena

(2009). Study English ielts preparation resource book (Kèm theo CD1, 2/918-19).

Chicago Style aipamena

Study English Ielts Preparation Resource Book (Kèm Theo CD1, 2/918-19). 2009.

MLA aipamena

Study English Ielts Preparation Resource Book (Kèm Theo CD1, 2/918-19). 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.