Varr,Nicholas. (2012). Economics of the welfare state (5th.). Oxford University Press.
芝加哥风格引文Varr,Nicholas. Economics of the Welfare State. 5th. New York: Oxford University Press, 2012.
MLA引文Varr,Nicholas. Economics of the Welfare State. 5th. Oxford University Press, 2012.
警告：这些引文格式不一定是100％准确.