MADDALA, G. (1977). Econometrics. McGraw-Hill Book Company.
Cita Chicago (17th ed.)MADDALA, G.S. Econometrics. Auckland: McGraw-Hill Book Company, 1977.
Cita MLA (9th ed.)MADDALA, G.S. Econometrics. McGraw-Hill Book Company, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.