Sampson, G. P., & Chambers, W. B. (2002). Trade, environment, and the millennium (2nd edition.). United Nations University Press.
Cita Chicago (17th ed.)Sampson, Gary P., i W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. Tokyo ; New York: United Nations University Press, 2002.
Cita MLA (8th ed.)Sampson, Gary P., i W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. United Nations University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.