APA citiranje

Irene Schoenberg. (2006). Focus on grammar: An integrated skills approach. White Plains, NY: Pearson Longman.

Trích dẫn kiểu Chicago

Irene Schoenberg. Focus On Grammar: An Integrated Skills Approach. White Plains, NY: Pearson Longman, 2006.

MLA citiranje

Irene Schoenberg. Focus On Grammar: An Integrated Skills Approach. White Plains, NY: Pearson Longman, 2006.

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