Tohutoro APA (7th ed.)
Weisshampel, S. (2008). The role of science fiction: Asimov & Vonnegut : a comparison. Diplom.de.
Tohutoru Kātū Chicago (17th ed.)
Weisshampel, Stefan. The Role of Science Fiction: Asimov & Vonnegut : A Comparison. Hamburg: Diplom.de, 2008.
Tohutoro MLA (9th ed.)
Weisshampel, Stefan. The Role of Science Fiction: Asimov & Vonnegut : A Comparison. Diplom.de, 2008.
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