How Add Social like button in product View Page

Add this code in Product View page

<!--facebook Like-->
 <div id="fb-root"></div>
        <script>(function(d, s, id) {
                    var js, fjs = d.getElementsByTagName(s)[0];
                    if (d.getElementById(id)) return;
                    js = d.createElement(s); js.id = id;
                    js.src = "//connect.facebook.net/en_GB/sdk.js#xfbml=1&version=v2.5";
                    fjs.parentNode.insertBefore(js, fjs);
                    }(document, 'script', 'facebook-jssdk'));
        </script>
<!--Google Pluse-->
<script src="https://apis.google.com/js/plusone.js" type="text/javascript"></script>
   
<div class="fb-like" data-href="<?php echo $_product->getProductUrl(); ?>" data-layout="button_count" data-action="like" data-show-faces="true" data-share="true"></div>
<g:plusone></g:plusone>