Clarke, A. C. (1984). Profiles of the future: An inquiry into the limits of the possible. New York: Holt.
Trích dẫn kiểu ChicagoClarke, Arthur C. Profiles of the Future: An Inquiry Into the Limits of the Possible. New York: Holt, 1984.
MLA citiranjeClarke, Arthur C. Profiles of the Future: An Inquiry Into the Limits of the Possible. New York: Holt, 1984.
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