De Leon, A. R., & Punzalan, J. R. B. (2013). An elementary proof independence of least squares estimators of regression coefficients and of variance in linear regression. Philippine Statistician.
Chicago-referens (17:e uppl.)De Leon, Alexander R., och Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician 2013.
MLA-referens (9:e uppl.)De Leon, Alexander R., och Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician, 2013.
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