Twentieth Century Fund, Dewhurst, J. F., Coppock, J. O., & Yates, P. L. (1961). Europe's needs and resources: Trends and prospects in eighteen countries. Twentieth Century Fund.
芝加哥风格引文Twentieth Century Fund, James Frederic Dewhurst, John O. Coppock, 与 P. Lamartine Yates. Europe's Needs and Resources: Trends and Prospects in Eighteen Countries. New York [u.a.]: Twentieth Century Fund, 1961.
MLA引文Twentieth Century Fund, et al. Europe's Needs and Resources: Trends and Prospects in Eighteen Countries. Twentieth Century Fund, 1961.
警告：这些引文格式不一定是100％准确.