APA استشهاد

Gupta, C. (1973). Introduction to statistical methods/8e (8th ed.). Vikas.

استشهاد بنمط شيكاغو

Gupta, C.B. Introduction to Statistical Methods/8e. 8th ed. New Delhi: Vikas, 1973.

MLA استشهاد

Gupta, C.B. Introduction to Statistical Methods/8e. 8th ed. Vikas, 1973.