Hall , C. W., & Pimental, D. (1984). Food energy resources. Academic Press.
Chicago Style aipamenaHall , Carl W., and David Pimental. Food Energy Resources. Orlando: Academic Press, 1984.
MLA aipamenaHall , Carl W., and David Pimental. Food Energy Resources. Academic Press, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.