(2004). The World book encyclopedia: G V.8. World book, Inc.
Trích dẫn kiểu ChicagoThe World Book Encyclopedia: G V.8. World book, Inc, 2004.
MLA引文The World Book Encyclopedia: G V.8. World book, Inc, 2004.
警告：这些引文格式不一定是100％准确.
APA引文