(2013). Anaerobic digestion: Types processes and environmental impact. New York: Nova Science Publishers.
Chicago Style aipamenaAnaerobic Digestion: Types Processes and Environmental Impact. New York: Nova Science Publishers, 2013.
MLA aipamenaAnaerobic Digestion: Types Processes and Environmental Impact. New York: Nova Science Publishers, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.