Cita APA (7th ed.)

Gupta, S. (1994). Statistical methods. Sultan Chand & sons.

Cita Chicago (17th ed.)

Gupta, S.P. Statistical Methods. New Delhi: Sultan Chand & sons, 1994.

Cita MLA (8th ed.)

Gupta, S.P. Statistical Methods. Sultan Chand & sons, 1994.