APA (7e ed.) Bronvermelding

Gupta, S. P. (2017). Statistical Methods (45th rev. ed.). Sultan Chand & Sons.

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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