Scarre, C., & Fagan, B. M. (1997). Ancient civilizations. Longman.
芝加哥风格引文Scarre, Christopher, 与 Brian M. Fagan. Ancient Civilizations. New York: Longman, 1997.
MLA引文Scarre, Christopher, 与 Brian M. Fagan. Ancient Civilizations. Longman, 1997.
警告：这些引文格式不一定是100％准确.