Cita APA

Lafferty,William M, & Eckerberg,Katerina. (1998). From the earth summit to local agenda 21: Working towards sustainable development. Earthscan Publications.

Citación estilo Chicago

Lafferty,William M, y Eckerberg,Katerina. From the Earth Summit to Local Agenda 21: Working Towards Sustainable Development. London: Earthscan Publications, 1998.

Cita MLA

Lafferty,William M, y Eckerberg,Katerina. From the Earth Summit to Local Agenda 21: Working Towards Sustainable Development. Earthscan Publications, 1998.