Trattner, W. I. (1979). From poor law to welfare state: A history of social welfare in America (2nd ed.). Free Press.
芝加哥风格引文Trattner, Walter I. From Poor Law to Welfare State: A History of Social Welfare in America. 2nd ed. New York: Free Press, 1979.
MLA引文Trattner, Walter I. From Poor Law to Welfare State: A History of Social Welfare in America. 2nd ed. Free Press, 1979.
警告：这些引文格式不一定是100％准确.