APA-referens (7:e uppl.)

Hugo, G. (1991). International migration of contract labour in Asia: Major issues and implications. International Development Research Centre.

Chicago-referens (17:e uppl.)

Hugo, Graeme. International Migration of Contract Labour in Asia: Major Issues and Implications. Ottawa, Ont: International Development Research Centre, 1991.

MLA-referens (9:e uppl.)

Hugo, Graeme. International Migration of Contract Labour in Asia: Major Issues and Implications. International Development Research Centre, 1991.