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Παραπομπή σε μορφή Chicago (17η εκδ.)International Energy Agency και Organisation for Economic Co-operation and Development. Greenhouse Gas Emissions: The Energy Dimension. Paris: OECD, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)International Energy Agency και Organisation for Economic Co-operation and Development. Greenhouse Gas Emissions: The Energy Dimension. OECD, 1991.
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