- <li><a href="http://www.unicode.org/onlinedat/countries.html">ISO 3166</a></li>
- <li><a href="http://www.loc.gov/standards/iso639-2/">ISO 639</a>
+
+ <li><a href="http://www.unicode.org/onlinedat/countries.html">ISO
+ 3166</a></li>
+
+ <li><a href="http://www.loc.gov/standards/iso639-2/">ISO 639</a></li>
+
+ <li><a href="http://rfc.sunsite.dk/rfc/rfc3066.html"> RFC 3066
+ - Tags for the Identification of Languages</a></li>
+