Ramage, J. (1983). Energy, a guidebook. Oxford University Press.
Chicago Style aipamenaRamage, Janet. Energy, a Guidebook. Oxford [Oxfordshire] ; New York: Oxford University Press, 1983.
MLA aipamenaRamage, Janet. Energy, a Guidebook. Oxford University Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.