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.
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