Ram Kumar. (2000). Environmental biodegradation (1st.). Sarup & Sons.
Chicago Edition CitationRam Kumar. Environmental Biodegradation. 1st. New Delhi: Sarup & Sons, 2000.
Cita MLARam Kumar. Environmental Biodegradation. 1st. Sarup & Sons, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.