Παραπομπή APA

Kirkby, J., O'Keefe, P., & Timberlake, L. (1995). The earthscan reader in sustainable development. London: Earthscan Publications Ltd.

Παραπομπή Chicago Style

Kirkby, John, Phil O'Keefe, and Lloyd Timberlake. The Earthscan Reader in Sustainable Development. London: Earthscan Publications Ltd, 1995.

Παραπομπή MLA

Kirkby, John, Phil O'Keefe, and Lloyd Timberlake. The Earthscan Reader in Sustainable Development. London: Earthscan Publications Ltd, 1995.

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