Whitaker, W. H., & Federico, R. C. (1997). Social welfare in today's world (2nd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Whitaker, William H., a Ronald C. Federico. Social Welfare in Today's World. 2nd ed. New York: McGraw-Hill, 1997.
Citace podle MLA (9th ed.)Whitaker, William H., a Ronald C. Federico. Social Welfare in Today's World. 2nd ed. McGraw-Hill, 1997.
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