APA (7th ed.) Zitazioa

Kumar Ram. (2000). Environmental biodegradation. Sarup.

Chicago Style (17th ed.) Zitazioa

Kumar Ram. Environmental Biodegradation. New Delhi: Sarup, 2000.

MLA (9th ed.) Zitazioa

Kumar Ram. Environmental Biodegradation. Sarup, 2000.