1. US Department of State Trafficking in Persons Report (2009). (Trafficking Report 2009)
2. Asia Foundation (2008) Combating Human Trafficking in Vietnam. Asia Foundation, San Francisco, http://asiafoundation.org/resources/pdfs/FINALVNTraffickingReport0808.pdf
3. Library of Congress Country Report – Nepal (1991)
4. UNIFEM Trade in Human Misery: Trafficking in Women and Children (1998)
5. UNODC Report On Human Trafficking Exposes Modern Form Of Slavery (2009) at http://www.unodc.org/unodc/en/human-trafficking/global-report-on-trafficking-in-persons.html . (UNODC 2009)