Published Sources

• Courant, R. (1937). Differential and integral calculus. New York: Interscience.


• Edwards, J. (1954). A treatise on the integral calculus. (2nd ed.). Broomall, PA: Chelsea Publishing Company.


• De Morgan, A. (2002). Elementary illustrations of the differential and integral calculus. Boston, MA: Adamant Media Corporation.


• Murray, D. A. (2009). An elementary course in the integral calculus. Charleston, SC: BiblioLife.


• Burk, F. (2007). A garden of integrals. Washington, DC: Mathematical Association of America.

• Ginsburg , D., Groose, B., & Taylor, J. (2011). History of the integral from the 17th century. Retrieved from http://www.math.wpi.edu/IQP/BVCalcHist/calc1.html


• Gates, D. A. (n.d.). Mathematics department of vanier college. Retrieved from http://fclass.vaniercollege.qc.ca/web/mathematics/real/acuflow.htm


• Michael, D. (2012). Britannica encyclopedia academic edition. In Encyclopedia Britannica. Retrieved from http://www.britannica.com/