APA aipamena

(2005). World link: Developemnt English fluency. South Melbourne: Heinle.

Chicago Style aipamena

World Link: Developemnt English Fluency. South Melbourne: Heinle, 2005.

MLA aipamena

World Link: Developemnt English Fluency. South Melbourne: Heinle, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.