Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 2.
{{cite web | url=http://www.europeana.eu/resolve/record/09404/6915647C7137B4BFCD781B01D1F3D478E617F4AC|title=Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 2.|author=Newton, Isaac (1642-1727)|accessdate=2013-05-22 |publisher=Europeana}}
<ref>{{cite web | url=http://www.europeana.eu/resolve/record/09404/6915647C7137B4BFCD781B01D1F3D478E617F4AC|title=Philosophiae naturalis principia mathematica auctore Isaaco Newtono ... Perpetuis commentariis illustrata, communi studio pp. Thomae Le Seur & Francisci Jacquier ... T. 2.|author=Newton, Isaac (1642-1727)|accessdate=2013-05-22 |publisher=Europeana}}</ref>