Παραπομπή APA

Gupta, S. P. (2017). Statistical methods (45th rev. ed.). Sultan Chand.

Παραπομπή Chicago Style

Gupta, S P. Statistical Methods. 45th rev. ed. N.Delhi: Sultan Chand, 2017.

Παραπομπή MLA

Gupta, S P. Statistical Methods. 45th rev. ed. Sultan Chand, 2017.