5WACKEMAGEL M, ONISTO L, BELLO P, et. al. Ecological footprints of nations [ R ]. Toronto: Commissioned by the earth council for the rio + 5 forum. International 15 Council for Local Environmental Initiatives1997.10 - 21.
7Wackernagel M, Onisto L, Bello P et al. National natural capital accounting with the ecological footprint concept.Ecological Economics, 1999, 29(3):375 - 390.
8Nicky Chambers, Kevin Lewis. Ecological Footprint Analysis: Towards a Sustainability Indicator for Business.London. Certified Accountants Educational Trust, 2001.23-44.
9WWF. Living Planet Report 2002.
10Nicky Chambers, Craig Simmons. The Business of Sustainability. Making the link between environmental performance and carrying capacity. 1 - 2.