Cita APA (7th ed.)
Long, B. L. (2000). International environmental issues and the OECD, 1950-2000: An historical perspective. Organisation for Economic Co-operation and Development.
Cita Chicago (17th ed.)
Long, Bill L. International Environmental Issues and the OECD, 1950-2000: An Historical Perspective. Paris: Organisation for Economic Co-operation and Development, 2000.
Cita MLA (9th ed.)
Long, Bill L. International Environmental Issues and the OECD, 1950-2000: An Historical Perspective. Organisation for Economic Co-operation and Development, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.