THE WORLD BOOK.. (2007). The world book encyclopedia volume 22: Research guide/index. World Book.
芝加哥风格引文THE WORLD BOOK.. The World Book Encyclopedia Volume 22: Research Guide/index. Chicago: World Book, 2007.
MLA引文THE WORLD BOOK.. The World Book Encyclopedia Volume 22: Research Guide/index. World Book, 2007.
警告：这些引文格式不一定是100％准确.