Cita APA

Gupta, S. (1990). Statistical methods/25e (25th ed.). Sultan chand.

Chicago Edition Citation

Gupta, S.P. Statistical Methods/25e. 25th ed. Sultan chand, 1990.

Cita MLA

Gupta, S.P. Statistical Methods/25e. 25th ed. Sultan chand, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.