Economic and Social commission for Asia and the Pacific. (1994). Guidelines on monitoring methodologies for water, air and toxic chemicals/hazardous wastes. New York: United nations.
Chicago-tyylinen lähdeviittausEconomic and Social commission for Asia and the Pacific. Guidelines On Monitoring Methodologies for Water, Air and Toxic Chemicals/hazardous Wastes. New York: United nations, 1994.
MLA-viiteEconomic and Social commission for Asia and the Pacific. Guidelines On Monitoring Methodologies for Water, Air and Toxic Chemicals/hazardous Wastes. New York: United nations, 1994.
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