Analysis of information sources in references of the Wikipedia article "Quetta" in Vietnamese language version.
|https://archive.today/20121216144705/http://www.world-gazetteer.com/wg.php?x=
(trợ giúp). URL accessed April 5th, 2006|https://archive.today/20121216144705/http://www.world-gazetteer.com/wg.php?x=
(trợ giúp). URL accessed April 5th, 2006