APA استشهاد

Gupta C B. (1957). Introduction to statistical methods. Vikas publishsing house.

استشهاد بنمط شيكاغو

Gupta C B. Introduction to Statistical Methods. New Delhi: Vikas publishsing house, 1957.

MLA استشهاد

Gupta C B. Introduction to Statistical Methods. Vikas publishsing house, 1957.