Wells, K., & Biegel, D. E. (1991). Family preservation services: Research and evaluation. Sage Publications.
芝加哥风格引文Wells, Kathleen, 与 David E. Biegel. Family Preservation Services: Research and Evaluation. Newbury Park, Calif. ; London ; New Delhi: Sage Publications, 1991.
MLA引文Wells, Kathleen, 与 David E. Biegel. Family Preservation Services: Research and Evaluation. Sage Publications, 1991.
警告：这些引文格式不一定是100％准确.