Czyżby? CC-BY-SA 3.0:
If You Distribute, or Publicly Perform the Work or any Adaptations or Collections, You must, unless a request has been made pursuant to Section [..] the name of the Original Author (or pseudonym, if applicable) if supplied, [..] the title of the Work if supplied; [...] to the extent reasonably practicable, the URI, if any, that Licensor specifies to be associated with the Work, unless such URI does not refer to the copyright notice or licensing information for the Work;
Licensorem jest tutaj chyba autor/właściciel i to on może sobie zażyczyć podanie źródła w postaci URI.
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