Não informado. (2004). Fossil energy update. Energy Research and Development Administration, Technical Information Center.
Čikaški stil citiranja (17. izdanje)Não informado. Fossil Energy Update. Oak Ridge, Tenn: Energy Research and Development Administration, Technical Information Center, 2004.
MLA način citiranja (8. izdanje)Não informado. Fossil Energy Update. Energy Research and Development Administration, Technical Information Center, 2004.
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