APA aipamena

(2002). Interaction 2: Listening/Speaking skills. New York, NY: McGraw-Hill.

Chicago Style aipamena

Interaction 2: Listening/Speaking Skills. New York, NY: McGraw-Hill, 2002.

MLA aipamena

Interaction 2: Listening/Speaking Skills. New York, NY: McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.