Otto, E. C. (2012). Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press.
Citace podle Chicago (17th ed.)Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Columbus: Ohio State University Press, 2012.
Citace podle MLA (9th ed.)Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press, 2012.
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