Bilsborrow,Richard E. (2001). Migration surveys in low income countries: Guidelines for survey and questionaire design. Croomhelm.
Chicago Style aipamenaBilsborrow,Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionaire Design. Australia: Croomhelm, 2001.
MLA aipamenaBilsborrow,Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionaire Design. Croomhelm, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.