Draper, N. R. (1981). Applied regression analysis (2d ed.). Wiley.
Cita Chicago (17th ed.)Draper, Norman Richard. Applied Regression Analysis. 2d ed. New York: Wiley, 1981.
Cita MLA (9th ed.)Draper, Norman Richard. Applied Regression Analysis. 2d ed. Wiley, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.