APA aipamena

Doff, a. (2005). Listening student book 4. Kanisius.

Chicago Style aipamena

Doff, andrian. Listening Student Book 4. Kanisius, 2005.

MLA aipamena

Doff, andrian. Listening Student Book 4. Kanisius, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.