Urech, E. (2004). Speaking globally (2 edition.). Viva Books Pvt. Ltd.
Chicago Style aipamenaUrech, Elizabeth. Speaking Globally. 2 edition. New Delhi: Viva Books Pvt. Ltd, 2004.
MLA aipamenaUrech, Elizabeth. Speaking Globally. 2 edition. Viva Books Pvt. Ltd, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.