APA aipamena

PEARSON. (2014). IMPRESSIONS - 2. PEARSON.

Chicago Style aipamena

PEARSON. IMPRESSIONS - 2. PEARSON, 2014.

MLA aipamena

PEARSON. IMPRESSIONS - 2. PEARSON, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.