-, KLASS, D. [., & EMERT, G. H. [. (1981). Fuels from biomass and wastes. Ann Arbor Science.
Chicago Style aipamena-, Donald [Ed.] KLASS, and George H. [Ed.] EMERT. Fuels from Biomass and Wastes. Michigan: Ann Arbor Science, 1981.
MLA aipamena-, et al. Fuels from Biomass and Wastes. Ann Arbor Science, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.