Kirkby,John. (1995). The earthscan reader in sustainable development. Earthscan Publications Ltd.
Stile di citazione ChicagoKirkby,John. The Earthscan Reader in Sustainable Development. London: Earthscan Publications Ltd, 1995.
Citazione MLAKirkby,John. The Earthscan Reader in Sustainable Development. Earthscan Publications Ltd, 1995.
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