Nygren-Krug, H. (2003). International migration, health & human rights. World Health Organization.
Lua i Stíl Chicago (17ú heag.)Nygren-Krug, Helena. International Migration, Health & Human Rights. Geneva: World Health Organization, 2003.
Lua MLA (9ú heag.)Nygren-Krug, Helena. International Migration, Health & Human Rights. World Health Organization, 2003.
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