Gypen, Laura; Vanderfaeillie, Johan; De Maeyer, Skrallan; Belenger, Laurence; Van Holen, Frank. Outcomes of children who grew up in foster care: Systematic-review. Children and Youth Services Review. May 2017, 76: 74–83. ISSN 0190-7409. doi:10.1016/j.childyouth.2017.02.035.
hhs.gov
Services, U.S. Department of Health and Human. HHS.gov. HHS.gov. [2023-12-27]. (原始内容存档于2011-02-23).
Gypen, Laura; Vanderfaeillie, Johan; De Maeyer, Skrallan; Belenger, Laurence; Van Holen, Frank. Outcomes of children who grew up in foster care: Systematic-review. Children and Youth Services Review. May 2017, 76: 74–83. ISSN 0190-7409. doi:10.1016/j.childyouth.2017.02.035.