Weinreich, U., Kim, R. I., & Labov, W. (2011). Languages in contact: French, German and Romansch in twentieth-century Switzerland. John Benjamins Pub. Co..
Lua i Stíl Chicago (17ú heag.)Weinreich, Uriel, Ronald I. Kim, agus William Labov. Languages in Contact: French, German and Romansch in Twentieth-century Switzerland. Amsterdam: John Benjamins Pub. Co., 2011.
Lua MLA (9ú heag.)Weinreich, Uriel, et al. Languages in Contact: French, German and Romansch in Twentieth-century Switzerland. John Benjamins Pub. Co., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.