Não informado. (1967). Tesol quarterly: Teachers of english to speakers of other languages. Georgetown University, Institute of Languages and Linguistics.
Chicago-referens (17:e uppl.)Não informado. Tesol Quarterly: Teachers of English to Speakers of Other Languages. Washington: Georgetown University, Institute of Languages and Linguistics, 1967.
MLA-referens (8:e uppl.)Não informado. Tesol Quarterly: Teachers of English to Speakers of Other Languages. Georgetown University, Institute of Languages and Linguistics, 1967.
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