Eckstut, S. (2006). Focus on grammar: An integrated skills approach. new York, NY: Pearson/Longman.
Chicago Style aipamenaEckstut, Samuela. Focus On Grammar: An Integrated Skills Approach. new York, NY: Pearson/Longman, 2006.
MLA aipamenaEckstut, Samuela. Focus On Grammar: An Integrated Skills Approach. new York, NY: Pearson/Longman, 2006.
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