Dyfyniad APA

Gupta, S. (1997). Statistical methods (28th ed.). Sultan Chand and sons.

Dyfyniad Arddull Chicago

Gupta, S.P. Statistical Methods. 28th ed. New Delhi: Sultan Chand and sons, 1997.

Dyfyniad MLA

Gupta, S.P. Statistical Methods. 28th ed. Sultan Chand and sons, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.