Narayanan, R. . .., & Datta, A. . .. (1987). Waste water treatment. Oxford & IBH Publishing company.
Chicago Edition CitationNarayanan, Rao ., i Amal Datta. Waste Water Treatment. New Delhi: Oxford & IBH Publishing company, 1987.
Cita MLANarayanan, Rao ., i Amal Datta. Waste Water Treatment. Oxford & IBH Publishing company, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.