Hernández Herrero, A. (2005). Building Bridges to Oral Communication.
Chicago Style aipamenaHernández Herrero, Annabelle. Building Bridges to Oral Communication. 2005.
MLA aipamenaHernández Herrero, Annabelle. Building Bridges to Oral Communication. 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.