Thanks to this post http://moodle.org/mod/forum/discuss.php?d=196748#p859193 got it clarified.
The ref and references tags do exactly this, but not on Moodle Docs. Tested them on the original wikipedia.org and work as documented here http://www.mediawiki.org/wiki/Extension:Cite/Cite.php.
Not terribly important.
Moodle community sites
Moodle documentation: Footnotes in MediaWiki
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