Lua APA (7ú heag.)
ebrary, Inc, Piske, T., & Young-Scholten, M. (2009). Input matters in SLA. Multilingual Matters.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Thorsten Piske, agus Martha Young-Scholten. Input Matters in SLA. Bristol, UK ; Buffalo, NY: Multilingual Matters, 2009.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Input Matters in SLA. Multilingual Matters, 2009.
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