Oergel, M. (1998). The return of King Arthur and the Nibelungen: National myth in nineteenth-century English and German literature. Walter de Gruyter.
Lua i Stíl Chicago (17ú heag.)Oergel, Maike. The Return of King Arthur and the Nibelungen: National Myth in Nineteenth-century English and German Literature. Berlin: Walter de Gruyter, 1998.
Lua MLA (9ú heag.)Oergel, Maike. The Return of King Arthur and the Nibelungen: National Myth in Nineteenth-century English and German Literature. Walter de Gruyter, 1998.
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