APA استشهاد

Gupta, S. P. (2000). Statistical methods (28.). Sulthan Chand and Sons.

استشهاد بنمط شيكاغو

Gupta, S P. Statistical Methods. 28. New Delhi: Sulthan Chand and Sons, 2000.

MLA استشهاد

Gupta, S P. Statistical Methods. 28. Sulthan Chand and Sons, 2000.