Não informado. (2008). Essential Teacher. Teachers of English to Speakers of Other Languages.
Čikaški stil citiranja (17. izdanje)Não informado. Essential Teacher. Alexandria, Va: Teachers of English to Speakers of Other Languages, 2008.
MLA način citiranja (8. izdanje)Não informado. Essential Teacher. Teachers of English to Speakers of Other Languages, 2008.
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