APA-viite

Gupta, C. B. (1982). Introduction to Statistical Methods (7th.). S. Chand.

Chicago-tyylinen lähdeviittaus

Gupta, C. B. Introduction to Statistical Methods. 7th. New Delhi: S. Chand, 1982.

MLA-viite

Gupta, C. B. Introduction to Statistical Methods. 7th. S. Chand, 1982.