-. (1981). Energy from biological processes: Technical and policyoptions. Westview Press.
Chicago Style aipamena-. Energy from Biological Processes: Technical and Policyoptions. Boulder: Westview Press, 1981.
MLA aipamena-. Energy from Biological Processes: Technical and Policyoptions. Westview Press, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.