Cita APA (7a ed.)
Nunan, D. (1999). Second language teaching & learning. Heinle & Heinle Publishers.
Cita Chicago Style (17a ed.)
Nunan, David. Second Language Teaching & Learning. Boston: Heinle & Heinle Publishers, 1999.
Cita MLA (9a ed.)
Nunan, David. Second Language Teaching & Learning. Heinle & Heinle Publishers, 1999.
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