Dörnyei, Z. (2007). Research methods in applied linguistics: Quantitative, qualitative, and mixed methodologies. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Dörnyei, Zoltán. Research Methods in Applied Linguistics: Quantitative, Qualitative, and Mixed Methodologies. Oxford ; New York, N.Y.: Oxford University Press, 2007.
Lua MLA (8ú heag.)Dörnyei, Zoltán. Research Methods in Applied Linguistics: Quantitative, Qualitative, and Mixed Methodologies. Oxford University Press, 2007.
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