Lippman, T. W. (1982). Understanding Islam: An introduction to the Muslim world. Penguin Group.
芝加哥风格引文Lippman, Thomas W. Understanding Islam: An Introduction to the Muslim World. New York: Penguin Group, 1982.
MLA引文Lippman, Thomas W. Understanding Islam: An Introduction to the Muslim World. Penguin Group, 1982.
警告：这些引文格式不一定是100％准确.