This is a must have module on every multilingual site. It will impress clients everytime. http://drupal.org/project/l10n_client [3]
Links[1] https://dominiquedecooman.com/nl/module-review/localization-client [2] https://dominiquedecooman.com/nl/blog-topics/international [3] http://drupal.org/project/l10n_client