Ehrich, R. W. (1965). Chronologies in Old World archaeology. University of Chicago Press.
芝加哥风格引文Ehrich, Robert W. Chronologies in Old World Archaeology. Chicago: University of Chicago Press, 1965.
MLA引文Ehrich, Robert W. Chronologies in Old World Archaeology. University of Chicago Press, 1965.
警告：这些引文格式不一定是100％准确.