The following references can be used to cite this p-value calculator for a chi-square test:
 | Soper, D.S. (2012) "p-Value Calculator for a Chi-Square Test (Online Software)", http://www.danielsoper.com/statcalc3. |
 | Abramowitz, M. and Stegun, I.A., eds. (1965), "Handbook of Mathematical Functions", Dover, New York, NY. |
 | Johnson, N., and S. Kotz. (1970) "Distributions in Statistics: Continuous Univariate Distributions:. Hoboken, NJ: John Wiley & Sons. |