"UNHCR and De Facto Statelessness"(PDF). Hugh Massey, Senior Legal Adviser, UNHCR Geneva. 1 April 2010. Archived(PDF) from the original on 4 January 2019. Retrieved 28 November 2017.
"UNHCR and De Facto Statelessness"(PDF). Hugh Massey, Senior Legal Adviser, UNHCR Geneva. 1 April 2010. Archived(PDF) from the original on 4 January 2019. Retrieved 28 November 2017.