Tohutoro APA (7th ed.)
Knight, D. (1967). Nebula Award Stories. Pocket Books.
Tohutoru Kātū Chicago (17th ed.)
Knight, Damon. Nebula Award Stories. Nueva York, EUA: Pocket Books, 1967.
Tohutoro MLA (9th ed.)
Knight, Damon. Nebula Award Stories. Pocket Books, 1967.
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