Anderson, P., Dickson, G. R., & Silverberg, R. (1972). The day the sun stood still: Three original novellas of science fiction ([1st ed.].). T. Nelson.
Lua i Stíl Chicago (17ú heag.)Anderson, Poul, Gordon R. Dickson, agus Robert Silverberg. The Day the Sun Stood Still: Three Original Novellas of Science Fiction. [1st ed.]. Nashville: T. Nelson, 1972.
Lua MLA (8ú heag.)Anderson, Poul, et al. The Day the Sun Stood Still: Three Original Novellas of Science Fiction. [1st ed.]. T. Nelson, 1972.
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