Fay, J. A. (2002). Energy and the environment. New York: Oxford.
Čikaški stil citiranjaFay, James A. Energy and the Environment. New York: Oxford, 2002.
MLA način citiranjaFay, James A. Energy and the Environment. New York: Oxford, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.