Dokumentuaren aipamena

APA (7th ed.) Zitazioa
(2015). Material resources, productivity and the environment. OECD.
Chicago Style (17th ed.) Zitazioa
Material Resources, Productivity and the Environment. Paris, [France]: OECD, 2015.
MLA (9th ed.) Zitazioa
Material Resources, Productivity and the Environment. OECD, 2015.
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