Barr, N. A. (1998). The economics of the welfare state (3rd ed.). Stanford University Press.
芝加哥风格引文Barr, N. A. The Economics of the Welfare State. 3rd ed. Stanford, Calif.: Stanford University Press, 1998.
MLA引文Barr, N. A. The Economics of the Welfare State. 3rd ed. Stanford University Press, 1998.
警告：这些引文格式不一定是100％准确.