APA
Central Pollution Control Board D., . (1989). Status of water supply and wastewater collection, treatment and disposal in class I cities, 1988. Delhi: CPCB.
Chicago
Central Pollution Control Board Delhi, . 1989. Status of water supply and wastewater collection, treatment and disposal in class I cities, 1988. Delhi: CPCB.
Harvard
Central Pollution Control Board D., . (1989). Status of water supply and wastewater collection, treatment and disposal in class I cities, 1988. Delhi: CPCB.
MLA
Central Pollution Control Board Delhi, . Status of water supply and wastewater collection, treatment and disposal in class I cities, 1988. Delhi: CPCB. 1989.
TextSeries: Control of urban pollution seriesPublication details: Delhi CPCB 1989Description: v : 77pISBN: 
Statistical Publications
