Federico, R. C. (1990). Social welfare in today's world. McGraw-Hill.
Cita Chicago Style (17a ed.)Federico, Ronald C. Social Welfare in Today's World. New York: McGraw-Hill, 1990.
Cita MLA (8a ed.)Federico, Ronald C. Social Welfare in Today's World. McGraw-Hill, 1990.
Precaución: Estas citas no son 100% exactas.