Agusten Llach, M. P. (2011). Lexical errors and accuracy in foreign language writing. Multilingual Matters.
Chicago Style (17. basım) AtıfAgusten Llach, Marja Pilar. Lexical Errors and Accuracy in Foreign Language Writing. Bristol: Multilingual Matters, 2011.
MLA (9th ed.) AtıfAgusten Llach, Marja Pilar. Lexical Errors and Accuracy in Foreign Language Writing. Multilingual Matters, 2011.
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