APA引文

Jensen, D. (2004). A language older than words. Vermont: Chelsea Green.

Trích dẫn kiểu Chicago

Jensen, Derrick. A Language Older Than Words. Vermont: Chelsea Green, 2004.

MLA引文

Jensen, Derrick. A Language Older Than Words. Vermont: Chelsea Green, 2004.

警告：這些引文格式不一定是100％准確.