Zastrow, C. (1993). Introduction to social work and social welfare (5th ed.). Brooks/Cole Pub. Co..
Chicago-čujuhus (17. p.)Zastrow, Charles. Introduction to Social Work and Social Welfare. 5th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1993.
MLA-čujuhus (9. p.)Zastrow, Charles. Introduction to Social Work and Social Welfare. 5th ed. Brooks/Cole Pub. Co., 1993.
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