Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 1.
{{cite web | url=http://www.europeana.eu/resolve/record/09404/EBC33B684818B090E6A502CD1383688AE7313032|title=Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 1.|author=Newton, Isaac (1642-1727)|accessdate=2013-05-19 |publisher=Europeana}}
<ref>{{cite web | url=http://www.europeana.eu/resolve/record/09404/EBC33B684818B090E6A502CD1383688AE7313032|title=Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 1.|author=Newton, Isaac (1642-1727)|accessdate=2013-05-19 |publisher=Europeana}}</ref>