Código PHP:

if ( function_exists( 'qtrans_init' ) ) { ?>
  <nav id="i18n"><ul>
    <?php
    foreach ( qtrans_getSortedLanguages() as $lang )
      if ( qtrans_getLanguage() != $lang ) {
        if ( class_exists( 'QtranslateSlug' ) ) {
          global $qtranslate_slug;
          $lang_url = $qtranslate_slug->get_current_url( $lang );
        } else {
          $lang_url = qtrans_convertURL( qtrans_realURL(), $lang );
        }
        ?>
        <li><a href="<?php echo $lang_url; ?>" title="<?php printf( __( 'Read in %1$s', THEMENAME ),  strtolower( qtrans_getLanguageName( $lang ) ) ); ?>"><?php echo $lang; ?></a></li>
        <?php
      }
    ?>
  </ul></nav>
  <?php
}

Plugins utilizados: