Analysis of information sources in references of the Wikipedia article "Lupeni, Harghita" in English language version.
{{cite web}}
: Missing or empty |url=
(help)Transylvanian Toponym Book Archived 20 November 2016 at the Wayback Machine{{cite web}}
: Missing or empty |url=
(help)Transylvanian Toponym Book Archived 20 November 2016 at the Wayback Machine