International Labour Office, United Nations Population Fund, & Bilsborrow, R. E. (1997). International migration statistics : guidelines for improving data collection systems / R.E. Bilsborrow ... [et al.]: Guidelines for improving data collection systems. International Labour Office.
Chicago Style (17th ed.) CitationInternational Labour Office, United Nations Population Fund, and Richard E. Bilsborrow. International Migration Statistics : Guidelines for Improving Data Collection Systems / R.E. Bilsborrow ... [et Al.]: Guidelines for Improving Data Collection Systems. Geneva: International Labour Office, 1997.
MLA (9th ed.) CitationInternational Labour Office, et al. International Migration Statistics : Guidelines for Improving Data Collection Systems / R.E. Bilsborrow ... [et Al.]: Guidelines for Improving Data Collection Systems. International Labour Office, 1997.