United Nations. (2007). Compendium of Social Statistics and Indicators: Social Indicators of The Commission of Sustainable Development. United Nations.
Tohutoru Kātū Chicago (17th ed.)United Nations. Compendium of Social Statistics and Indicators: Social Indicators of The Commission of Sustainable Development. New York: United Nations, 2007.
Tohutoro MLA (9th ed.)United Nations. Compendium of Social Statistics and Indicators: Social Indicators of The Commission of Sustainable Development. United Nations, 2007.
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