1. Administration for Children and Families Family and Youth Services Bureau Street Outreach Program. (2016, April 12) Retrieved from https://www.acf.hhs.gov/sites/default/files/fysb/data_collection_study_final_report_street_outreach_program.pdf
2. Characteristics of Suspected Human Trafficking Incidents, 2008-2010
3. Bigelsen, J. & Vuotto, S. (2013). Homelessness, survival sex, and human trafficking: As experienced by the youth of Covenant House New York. New York: Covenant House. http://www.covenanthouse.org/sites/default/files/attachments/Covenant-House trafficking-study.pdf.