Tohutoro APA (7th ed.)
Robert Silverberg. Monade 116. Fanucci Editore.
Tohutoru Kātū Chicago (17th ed.)
Robert Silverberg. Monade 116. Fanucci Editore.
Tohutoro MLA (9th ed.)
Robert Silverberg. Monade 116. Fanucci Editore.
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