Παραπομπή APA

Reid,David. (1995). Sustainable development: An introductory guide. Earthscan Publications Ltd.

Παραπομπή Chicago Style

Reid,David. Sustainable Development: An Introductory Guide. London: Earthscan Publications Ltd, 1995.

Παραπομπή MLA

Reid,David. Sustainable Development: An Introductory Guide. Earthscan Publications Ltd, 1995.