APA引文

(2004). World Book: Version 9.00. Chicago, Illinois: World Book.

Trích dẫn kiểu Chicago

World Book: Version 9.00. Chicago, Illinois: World Book, 2004.

MLA引文

World Book: Version 9.00. Chicago, Illinois: World Book, 2004.

警告：这些引文格式不一定是100％准确.