Quelltext der Seite Vorlage:NRISref

<onlyinclude>{{cite web
| url = {{#if:{{{nolink|}}}||https://npgallery.nps.gov/About}}
| title = National Register Information System
| accessdate = {{#switch: {{lc:{{{version|{{{1|}}}}}}}}
  |2013|2013a = 2013-11-02
  |2010|2010a = 2010-07-09
  |2009|2009a = 2009-03-13
  |2008b = 2008-04-24
  |2008a = 2008-04-15
  |2007b = 2007-06-30
  |2007a = 2007-01-23
  |2006|2006a = 2006-03-15
  |<!--{{#if:{{{demo|}}}||[[Kategorie:NRISref errors]]}}<!--If not a demonstration and the date is invalid, display input and add to error category-->
  }}
| work = National Register of Historic Places
| publisher = [[National Park Service]]
| language = en
}}</onlyinclude>

{{Dokumentation}}