Pontbriand, C. (2018). Telegrafenexperimente. Was wissen wir? Was haben wir? Was fehlt uns? Was lieben wir?.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Pontbriand, Chantal. "Telegrafenexperimente." Was Wissen Wir? Was Haben Wir? Was Fehlt Uns? Was Lieben Wir? 2018.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Pontbriand, Chantal. "Telegrafenexperimente." Was Wissen Wir? Was Haben Wir? Was Fehlt Uns? Was Lieben Wir?, 2018.
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