APA استشهاد

Gupta, C. B. (1973). Introduction to statistical methods (Ed 8 rev.). Vikas.

استشهاد بنمط شيكاغو

Gupta, C B. Introduction to Statistical Methods. Ed 8 rev. New Delhi: Vikas, 1973.

MLA استشهاد

Gupta, C B. Introduction to Statistical Methods. Ed 8 rev. Vikas, 1973.