Here are the references:
<script language="javascript" src="/_layouts/jquery/jquery-1.8.3.min.js" type="text/javascript"></script>
<script language="javascript" src="/_layouts/jquery/jquery.SPServices-2013.01.min.js" type="text/javascript"></script>
<script language="javascript" src="/_layouts/jquery/jquery-ui-1.10.1.custom.min.js" type="text/javascript"></script>
<script language="javascript" src="/SiteAssets/jquery/jquery.balloon.min.js" type="text/javascript"/></script>
<link rel="stylesheet" href="/_layouts/jquery/jquery-ui-themes-1.10.0/themes/smoothness/jquery-ui.css" type="text/css"/>