Cita APA (7a ed.)
ebrary, Inc, & Köpke, B. (2007). Language attrition: Theoretical perspectives. J. Benjamins Pub. Co..
Cita Chicago Style (17a ed.)
ebrary, Inc, y Barbara Köpke. Language Attrition: Theoretical Perspectives. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 2007.
Cita MLA (9a ed.)
ebrary, Inc, y Barbara Köpke. Language Attrition: Theoretical Perspectives. J. Benjamins Pub. Co., 2007.
Precaución: Estas citas no son 100% exactas.