APA استشهاد

Egelston, A. E. (2013). Sustainable development: A history. Springer.

استشهاد بنمط شيكاغو

Egelston, Anne E. Sustainable Development: A History. London: Springer, 2013.

MLA استشهاد

Egelston, Anne E. Sustainable Development: A History. Springer, 2013.