Kaul, S., & Arvind Kumar. (2006). Waste water engineering. APH Publishing.
Chicago Edition CitationKaul, S.N, i Arvind Kumar. Waste Water Engineering. New Delhi: APH Publishing, 2006.
Cita MLAKaul, S.N, i Arvind Kumar. Waste Water Engineering. APH Publishing, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.