APA-referens

Gupta C B. (1957). Introduction to statistical methods/7e (7th ed.). Vikas.

Chicago-stil citat

Gupta C B. Introduction to Statistical Methods/7e. 7th ed. Delhi: Vikas, 1957.

MLA-referens

Gupta C B. Introduction to Statistical Methods/7e. 7th ed. Vikas, 1957.