Organisation for Economic Co-operation and Development. (1999). Energy, the next fifty years. Organisation for Economic Co-operation and Development.
Čikaški stil citiranja (17. izdanje)Organisation for Economic Co-operation and Development. Energy, the Next Fifty Years. Paris, France: Organisation for Economic Co-operation and Development, 1999.
MLA način citiranja (9. izdanje)Organisation for Economic Co-operation and Development. Energy, the Next Fifty Years. Organisation for Economic Co-operation and Development, 1999.
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