HOW TO: Add Social Sharing Buttons to Your Website

FORMAT 1 :-

<script src="http://connect.facebook.net/it_IT/all.js#xfbml=1"></script>
<script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>

<script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>

<div style="float:left; margin-top: 5px; width:500px">
  <div style="float:left; width:110px">
    <fb:like layout="button_count" show_faces="false" font="trebuchet ms"></fb:like>
  </div>
  <div style="float:left; width:73px">
    <a href="http://twitter.com/share" class="twitter-share-button" data-count="none" data-lang="it">Tweet</a>
  </div>
  <div style="float:left; width:60px">
     <g:plusone size="medium"></g:plusone>
  </div>               

</div>