Johnson, L. C., Schwartz, C. L., & Tate, D. S. (1997). Social welfare: A response to human need (4th ed.). Allyn and Bacon.
Chicago-viite (17. p.)Johnson, Louise C., Charles. L. Schwartz, ja Donald S. Tate. Social Welfare: A Response to Human Need. 4th ed. Boston: Allyn and Bacon, 1997.
MLA-viite (9. p.)Johnson, Louise C., et al. Social Welfare: A Response to Human Need. 4th ed. Allyn and Bacon, 1997.
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