APA (7th ed.) Zitazioa

Fill, A. F. (2010). Language impact: Evolution - system - discourse. Equinox.

Chicago Style (17th ed.) Zitazioa

Fill, Alwin Frank. Language Impact: Evolution - System - Discourse. London ; Oakville, Connecticut: Equinox, 2010.

MLA (9th ed.) Zitazioa

Fill, Alwin Frank. Language Impact: Evolution - System - Discourse. Equinox, 2010.