Trolldalen, J. M. (1992). International environmental conflict resolution: The role of the United Nations. World Foundation for Environment and Development (WFED).
Cita Chicago (17th ed.)Trolldalen, Jon Martin. International Environmental Conflict Resolution: The Role of the United Nations. Oslo: World Foundation for Environment and Development (WFED), 1992.
Cita MLA (9th ed.)Trolldalen, Jon Martin. International Environmental Conflict Resolution: The Role of the United Nations. World Foundation for Environment and Development (WFED), 1992.
Atenció: Aquestes cites poden no estar 100% correctes.