Kirkby,John. (1995). The earthscan reader in sustainable development. Earthscan Publications Ltd.
Chicago ZitierstilKirkby,John. The Earthscan Reader in Sustainable Development. London: Earthscan Publications Ltd, 1995.
MLA ZitierstilKirkby,John. The Earthscan Reader in Sustainable Development. Earthscan Publications Ltd, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.