Intergovernmental Panel on Climate Change, World Meteorological Organization, & United Nations Environment Programme. (1991). Climate change: The IPCC response strategies. s.n.
Cita Chicago (17th ed.)Intergovernmental Panel on Climate Change, World Meteorological Organization, i United Nations Environment Programme. Climate Change: The IPCC Response Strategies. [S.l: s.n, 1991.
Cita MLA (9th ed.)Intergovernmental Panel on Climate Change, et al. Climate Change: The IPCC Response Strategies. s.n, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.