Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & OECD iLibrary. (2013). Environment at a glance 2013: OECD indicators. OECD.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i OECD iLibrary. Environment at a Glance 2013: OECD Indicators. Paris: OECD, 2013.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i OECD iLibrary. Environment at a Glance 2013: OECD Indicators. OECD, 2013.