Cita APA (7th ed.)

Romanistentag Vienna, Austria, ebrary, Inc, Dufter, A., & Jacob, D. (2009). Focus and background in Romance languages. John Benjamins Pub. Company.

Cita Chicago (17th ed.)

Romanistentag Vienna, Austria, Inc ebrary, Andreas Dufter, i Daniel Jacob. Focus and Background in Romance Languages. Philadelphia: John Benjamins Pub. Company, 2009.

Cita MLA (9th ed.)

Romanistentag Vienna, Austria, et al. Focus and Background in Romance Languages. John Benjamins Pub. Company, 2009.