html - Should these hyperlinks be encapsulated in a list? -

new html.

in snippet of html, should <a> tags wrapped in list tag of kind - i.e. <li>?

            <div id="site-master-social">                 <span class="strong">join us:</span>                 <a href="http://www.facebook.com" target="_blank"><img src="/images/icon_facebook.png" alt="facebook" title="join on facebook" /></a>                 <a href="http://www.twitter.com" target="_blank"><img src="/images/icon_twitter.png" alt="twitter" title="join on twitter" /></a>                 <a href="http://www.google.com" target="_blank"><img src="/images/icon_google+.png" alt="google+" title="join on google+" /></a>             </div> 

your code fine.

you can validate html correctness here: http://validator.w3.org/