Watson, R. T. (1995). Global biodiversity assessment: Summary for policy-makers. United Nations Environment Programme.
Citación estilo ChicagoWatson, R. T. Global Biodiversity Assessment: Summary for Policy-makers. Cambridge: United Nations Environment Programme, 1995.
Cita MLAWatson, R. T. Global Biodiversity Assessment: Summary for Policy-makers. United Nations Environment Programme, 1995.
Warning: These citations may not always be 100% accurate.