Schmid, M. S. (2011). Language attrition. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Schmid, Monika S. Language Attrition. New York: Cambridge University Press, 2011.
Lua MLA (9ú heag.)Schmid, Monika S. Language Attrition. Cambridge University Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.