Marcel, S. (2016). Bavarian bears: Swen Marcel. Gmünder.
Lua i Stíl Chicago (17ú heag.)Marcel, Swen. Bavarian Bears: Swen Marcel. Berlin: Gmünder, 2016.
Lua MLA (8ú heag.)Marcel, Swen. Bavarian Bears: Swen Marcel. Gmünder, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.