Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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