Cita APA (7th ed.)

Gupta S.P. (2014). Statistical Methods (NA.). Sultan Chand & Sons.

Cita Chicago (17th ed.)

Gupta S.P. Statistical Methods. NA. New Delhi: Sultan Chand & Sons, 2014.

Cita MLA (9th ed.)

Gupta S.P. Statistical Methods. NA. Sultan Chand & Sons, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.