Edwards, J. (1994). Multilingualism. Routledge.
Lua i Stíl Chicago (17ú heag.)Edwards, John. Multilingualism. New York: Routledge, 1994.
Lua MLA (9ú heag.)Edwards, John. Multilingualism. Routledge, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.