APA-viite

Gupta, S. P. (1999). Elementary statistical methods (13th ed.). Sultan Chand & Sons.

Chicago-tyylinen lähdeviittaus

Gupta, S. P. Elementary Statistical Methods. 13th ed. New Delhi: Sultan Chand & Sons, 1999.

MLA-viite

Gupta, S. P. Elementary Statistical Methods. 13th ed. Sultan Chand & Sons, 1999.