Schmid, M. S. (2011). Language attrition. Cambridge University Press.
Cita Chicago (17th ed.)Schmid, Monika S. Language Attrition. New York: Cambridge University Press, 2011.
Cita MLA (9th ed.)Schmid, Monika S. Language Attrition. Cambridge University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.