Dürbeck, G., Stobbe, U., Zapf, H., & Zemanek, E. (2017). Ecological thought in German literature and culture: Ed. by Gabriele Dürbeck, Urte Stobbe, Hubert Zapf and Evi Zemanek. Lexington Books.
Lua i Stíl Chicago (17ú heag.)Dürbeck, Gabriele, Urte Stobbe, Hubert Zapf, agus Evi Zemanek. Ecological Thought in German Literature and Culture: Ed. by Gabriele Dürbeck, Urte Stobbe, Hubert Zapf and Evi Zemanek. Lanham [u.a.]: Lexington Books, 2017.
Lua MLA (8ú heag.)Dürbeck, Gabriele, et al. Ecological Thought in German Literature and Culture: Ed. by Gabriele Dürbeck, Urte Stobbe, Hubert Zapf and Evi Zemanek. Lexington Books, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.