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Below you will find a complete set of details for 2 different references / citations that are related to the computation of two-tailed area under the standard normal distribution values.

Reference for Citing the Online Calculator

- Soper, D.S. (2019). Two-Tailed Area Under the Standard Normal Distribution Calculator [Software]. Available from http://www.danielsoper.com/statcalc

Reference from the Scientific Literature

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

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