Cita APA (7th ed.)
Organisation for Economic Co-operation and Development, SourceOECD (Online service), & ProQuest (Firm). (2008). OECD environmental outlook to 2030. OECD.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development, SourceOECD (Online service), i ProQuest (Firm). OECD Environmental Outlook to 2030. Paris: OECD, 2008.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development, et al. OECD Environmental Outlook to 2030. OECD, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.