Sampson, G. P., & Chambers, W. B. (2002). Trade, environment, and the millennium (2nd edition.). United Nations University Press.
Chicago-viite (17. p.)Sampson, Gary P., ja W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. Tokyo ; New York: United Nations University Press, 2002.
MLA-viite (8. p.)Sampson, Gary P., ja W. Bradnee Chambers. Trade, Environment, and the Millennium. 2nd edition. United Nations University Press, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.