The following references can be used to cite this cumulative area under the standard normal curve calculator:

| Soper, D.S. (2015). Cumulative Area Under the Standard Normal Curve Calculator [Software]. Available from http://www.danielsoper.com/statcalc |

| Abramowitz, M. and Stegun, I.A., eds. (1965). Handbook of Mathematical Functions. New York, NY: Dover. |