Federico, R. C. (1990). Social welfare in today's world. McGraw-Hill.
芝加哥风格引文Federico, Ronald C. Social Welfare in Today's World. New York: McGraw-Hill, 1990.
MLA引文Federico, Ronald C. Social Welfare in Today's World. McGraw-Hill, 1990.
警告：这些引文格式不一定是100％准确.