↑ The Method of Fluxions and Infinite Series: With Its Application to the Geometry of Curve-lines. By Sir Isaac Newton, Translated from the Author's Latin Original Not Yet Made Publick. To which is Subjoin'd, a Perpetual Comment Upon the Whole Work, By John Colson, Sir Isaac Newton. Henry Woodfall; and sold by John Nourse, 1736.
↑ Kitcher, Philip (tháng 3 năm 1973). “Fluxions, Limits, and Infinite Littlenesse. A Study of Newton's Presentation of the Calculus”. Isis. 64 (1): 33–49. doi:10.1086/351042. JSTOR229868.
