Bilsborrow,Richard E. (2001). Migration surveys in low income countries: Guidelines for survey and questionaire design. Croomhelm.
Chicago-tyylinen lähdeviittausBilsborrow,Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionaire Design. Australia: Croomhelm, 2001.
MLA-viiteBilsborrow,Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionaire Design. Croomhelm, 2001.
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