Friedlander, W. A. (1968). Introduction to social welfare (3rd ed.). Prentice-Hall.
Chicago-čujuhus (17. p.)Friedlander, Walter A. Introduction to Social Welfare. 3rd ed. Englewood Cliffs: Prentice-Hall, 1968.
MLA-čujuhus (9. p.)Friedlander, Walter A. Introduction to Social Welfare. 3rd ed. Prentice-Hall, 1968.
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