APA引文

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引文

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

警告：這些引文格式不一定是100％准確.