APA-viite

Gupta,C.B, & Gupta, V. (2004). Introduction to statistical methods.- 23rd rev ed (23rd rev ed.). Vikas.

Chicago-tyylinen lähdeviittaus

Gupta,C.B, ja Vijay Gupta. Introduction to Statistical Methods.- 23rd Rev Ed. 23rd rev ed. New Delhi: Vikas, 2004.

MLA-viite

Gupta,C.B, ja Vijay Gupta. Introduction to Statistical Methods.- 23rd Rev Ed. 23rd rev ed. Vikas, 2004.