Hardy, M. A. (1993). Regression with dummy variables. Sage Publications.
Cita Chicago (17th ed.)Hardy, Melissa A. Regression with Dummy Variables. Newbury Park: Sage Publications, 1993.
Cita MLA (8th ed.)Hardy, Melissa A. Regression with Dummy Variables. Sage Publications, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.