APA সাইটেশন

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.

শিকাগো স্টাইলে সাইটেশন

Economic 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.

এমএলএ সাইটেশন

Economic 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.