19 June 2020 | Publisher: Council of Europe: Group of Experts on Action against Trafficking in Human Beings | Document type: Thematic Guidelines
2020 | Publisher: European Union: European Agency for Fundamental Rights | Document type: Thematic Guidelines
December 2016 | Publisher: European Union: European Agency for Fundamental Rights | Document type: Thematic Guidelines
June 2003 | Publisher: Cambridge University Press | Document type: Thematic Guidelines