Cita APA (7a ed.)
Nation, I. S. P. (1990). Teaching and learning vocabulary. Heinle.
Cita Chicago Style (17a ed.)
Nation, I. S. P. Teaching and Learning Vocabulary. [Boston]: Heinle, 1990.
Cita MLA (9a ed.)
Nation, I. S. P. Teaching and Learning Vocabulary. Heinle, 1990.
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