APA aipamena

Fay, J. A. (2002). Energy and the environment. New York: Oxford.

Chicago Style aipamena

Fay, James A. Energy and the Environment. New York: Oxford, 2002.

MLA aipamena

Fay, James A. Energy and the Environment. New York: Oxford, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.