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