Müller-Sievers, H. The heredity of poetics: Helmut Müller-Sievers. Heredity produced : at the crossroads of biology, politics, and culture, 1500 - 1870.(2007).
Lua i Stíl Chicago (17ú heag.)Müller-Sievers, Helmut. "The Heredity of Poetics: Helmut Müller-Sievers." Heredity Produced : At the Crossroads of Biology, Politics, and Culture, 1500 - 1870.(2007) .
Lua MLA (8ú heag.)Müller-Sievers, Helmut. "The Heredity of Poetics: Helmut Müller-Sievers." Heredity Produced : At the Crossroads of Biology, Politics, and Culture, 1500 - 1870.(2007), .
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