Graf, H. (2016). The Environment in the Age of the Internet: Activists, Communication, and the Digital Landscape. Open Book Publishers.
Lua i Stíl Chicago (17ú heag.)Graf, Heike. The Environment in the Age of the Internet: Activists, Communication, and the Digital Landscape. Open Book Publishers, 2016.
Lua MLA (9ú heag.)Graf, Heike. The Environment in the Age of the Internet: Activists, Communication, and the Digital Landscape. Open Book Publishers, 2016.
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