APA استشهاد

Gupta, B. (1972). Introduction to Statistical Methods (17th ed.). Vikas Publishing House.

استشهاد بنمط شيكاغو

Gupta, B. Introduction to Statistical Methods. 17th ed. Delhi: Vikas Publishing House, 1972.

MLA استشهاد

Gupta, B. Introduction to Statistical Methods. 17th ed. Vikas Publishing House, 1972.