Hugo, G. (1991). International migration of contract labour in Asia: Major issues and implications. International Development Research Centre.
Lua i Stíl Chicago (17ú heag.)Hugo, Graeme. International Migration of Contract Labour in Asia: Major Issues and Implications. Ottawa, Ont: International Development Research Centre, 1991.
Lua MLA (9ú heag.)Hugo, Graeme. International Migration of Contract Labour in Asia: Major Issues and Implications. International Development Research Centre, 1991.
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