Analysis of information sources in references of the Wikipedia article "Ian Ballantine" in English language version.
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: CS1 maint: bot: original URL status unknown (link). Hyde Park Books. Archived July 3, 2013. Retrieved June 2, 2017.{{cite web}}
: CS1 maint: bot: original URL status unknown (link). Press release April/May 2008. Experience Music Project and Science Fiction Museum and Hall of Fame (empsfm.org). Archived May 10, 2008. Retrieved March 19, 2013.