(1990). Supplementary principles and recommendations for population and housing censuses. New York: United Nations.
Chicago Style CitationSupplementary Principles and Recommendations for Population and Housing Censuses. New York: United Nations, 1990.
MLA CitationSupplementary Principles and Recommendations for Population and Housing Censuses. New York: United Nations, 1990.
Warning: These citations may not always be 100% accurate.