Federico, R. C. (1990). Social welfare in today's world. McGraw-Hill.
Chicagoスタイル(17版)引用形式Federico, Ronald C. Social Welfare in Today's World. New York: McGraw-Hill, 1990.
MLA(8版)引用形式Federico, Ronald C. Social Welfare in Today's World. McGraw-Hill, 1990.
警告: この引用は必ずしも正確ではありません.