Trattner, W. I. (1999). From poor law to welfare state: A history of social welfare in America. New York: Free Press.
Trích dẫn kiểu ChicagoTrattner, Walter I. From Poor Law to Welfare State: A History of Social Welfare in America. New York: Free Press, 1999.
MLA引文Trattner, Walter I. From Poor Law to Welfare State: A History of Social Welfare in America. New York: Free Press, 1999.
警告：這些引文格式不一定是100％准確.