THE WORLD BOOK. (2007). The world encyclodia Q-R volume 16. World Book.
芝加哥风格引文THE WORLD BOOK. The World Encyclodia Q-R Volume 16. Chicago: World Book, 2007.
MLA引文THE WORLD BOOK. The World Encyclodia Q-R Volume 16. World Book, 2007.
警告：这些引文格式不一定是100％准确.