Cartledge, B. S. (1993). Energy and the environment. Oxford University Press.
Chicago Style aipamenaCartledge, Bryan Sir. Energy and the Environment. Oxford, New York: Oxford University Press, 1993.
MLA aipamenaCartledge, Bryan Sir. Energy and the Environment. Oxford University Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.