Greaves, R. L. (1990). Civilizations of the world: The human adventure. Harper & Row, Publishers.
芝加哥风格引文Greaves, Richard L. Civilizations of the World: The Human Adventure. New York: Harper & Row, Publishers, 1990.
MLA引文Greaves, Richard L. Civilizations of the World: The Human Adventure. Harper & Row, Publishers, 1990.
警告：这些引文格式不一定是100％准确.