Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

De Leon, Alexander R., και Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

De Leon, Alexander R., και Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician, 2013.