APA引文

 Pankratz, T. M. (2001).  Environmental engineering dictionary and directory.  Lewis.

Trích dẫn kiểu Chicago

 Pankratz, Tom M.  Environmental Engineering Dictionary and Directory.  Lewis, 2001.

MLA引文

 Pankratz, Tom M.  Environmental Engineering Dictionary and Directory.  Lewis, 2001.

警告：这些引文格式不一定是100％准确.