Franklin

MLA

Purvis, Martin, and Alan Grainger. Exploring Sustainable Development : Geographical Perspectives. London: Earthscan, 2004.

APA

Purvis, M., & Grainger, A. (2004). Exploring sustainable development : geographical perspectives. London: Earthscan.

Chicago

Purvis, Martin., and Alan Grainger. Exploring Sustainable Development: Geographical Perspectives. London: Earthscan, 2004.