Organisation for Economic Co-operation and Development. (2019). Global material resources outlook to 2060: Economic drivers and environmental consequences. Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development. Global Material Resources Outlook to 2060: Economic Drivers and Environmental Consequences. Paris, France: Organisation for Economic Co-operation and Development, 2019.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development. Global Material Resources Outlook to 2060: Economic Drivers and Environmental Consequences. Organisation for Economic Co-operation and Development, 2019.
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