Romanistentag Vienna, Austria, ebrary, Inc, Dufter, A., & Jacob, D. (2009). Focus and background in Romance languages. John Benjamins Pub. Company.
Lua i Stíl Chicago (17ú heag.)Romanistentag Vienna, Austria, Inc ebrary, Andreas Dufter, agus Daniel Jacob. Focus and Background in Romance Languages. Philadelphia: John Benjamins Pub. Company, 2009.
Lua MLA (9ú heag.)Romanistentag Vienna, Austria, et al. Focus and Background in Romance Languages. John Benjamins Pub. Company, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.