Jean Henri van Swinden: Revizyonlar arasındaki fark

<ref name="ilorentz">{{Web kaynağı | author = Joannes Henricus van Swinden | url = http://ilorentz.org/history/proefschriften/sources/vanSwinden_1766.pdf | title başlık= De attractione | year yıl= 1766 | arşivurl = https://web.archive.org/web/20160820083244/http://ilorentz.org/history/proefschriften/sources/vanSwinden_1766.pdf | arşivtarihi = 20 Ağustos 2016}}</ref>

<ref name="dwc">{{Web kaynağı | author = | url = http://www.dwc.knaw.nl/biografie/pmknaw/?pagetype=authorDetail&aId=PE00003238 | title başlık= Jan Hendrik van Swinden (1746 - 1823) | publisher yayıncı= Royal Netherlands Academy of Arts and Sciences | date tarih= | accessdate erişimtarihi= 19 JulyTemmuz 2015 | arşivengelli = evet}}</ref>