APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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