Wells, K., & Biegel, D. E. (1991). Family preservation services: Research and evaluation. Sage Publications.
Chicago Style (17. basım) AtıfWells, Kathleen, ve David E. Biegel. Family Preservation Services: Research and Evaluation. Newbury Park, Calif. ; London ; New Delhi: Sage Publications, 1991.
MLA (8th ed.) AtıfWells, Kathleen, ve David E. Biegel. Family Preservation Services: Research and Evaluation. Sage Publications, 1991.
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