Cita APA (7a ed.)
Nunan, D. (1992). Research methods in language learning. Cambridge University Press.
Cita Chicago Style (17a ed.)
Nunan, David. Research Methods in Language Learning. New York: Cambridge University Press, 1992.
Cita MLA (9a ed.)
Nunan, David. Research Methods in Language Learning. Cambridge University Press, 1992.
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