APA引文

 Kirszner, L. G. (2008).  Focus on writing: Paragraphs and essays.  Bedford/St. Martin’s.

Trích dẫn kiểu Chicago

 Kirszner, Laurie G.  Focus On Writing: Paragraphs and Essays.  Bedford/St. Martin’s, 2008.

MLA引文

 Kirszner, Laurie G.  Focus On Writing: Paragraphs and Essays.  Bedford/St. Martin’s, 2008.

警告：这些引文格式不一定是100％准确.