Richards, J. C., Platt, J., & Platt, H. (1992). Longman dictionay of language teaching and applied linguistics ([1992 ed.].). Longman.
Cita Chicago Style (17a ed.)Richards, Jack C., John Platt, y Heidi Platt. Longman Dictionay of Language Teaching and Applied Linguistics. [1992 ed.]. London: Longman, 1992.
Cita MLA (9a ed.)Richards, Jack C., et al. Longman Dictionay of Language Teaching and Applied Linguistics. [1992 ed.]. Longman, 1992.
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