SINGH, S. (1980). Econometrics and mathematical economics. S. Chand.
Cita Chicago (17th ed.)SINGH, S.P. Econometrics and Mathematical Economics. New Delhi: S. Chand, 1980.
Cita MLA (9th ed.)SINGH, S.P. Econometrics and Mathematical Economics. S. Chand, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.