Wikipedia en inglés: Diferenzas entre revisións

* {{Cite book|title=The Wikipedia Revolution: How a Bunch of Nobodies Created the World's Greatest Encyclopedia|last=Lih|first=Andrew|publisher=Hyperion|year=2009|isbn=978-1-4013-0371-6|edition=First|location=New York City|author-link=Andrew Lih|url=https://archive.org/details/wikipediarevolut00liha}} (alkaline paper).

 

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