Siegel, A. F., Morgan, C. J., & Morgan, C. J. 1. (1996). Statistics and data analysis: An introduction (2nd ed.). New York: Wiley.
Παραπομπή Chicago StyleSiegel, Andrew F., Charles J. Morgan, and Charles J. 1945- Morgan. Statistics and Data Analysis: An Introduction. 2nd ed. New York: Wiley, 1996.
Παραπομπή MLASiegel, Andrew F., Charles J. Morgan, and Charles J. 1945- Morgan. Statistics and Data Analysis: An Introduction. 2nd ed. New York: Wiley, 1996.
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