APA-viite

Veerachamy, R. a. R. K., V. (2012). Operations research.

Chicago-tyylinen lähdeviittaus

Veerachamy, R and Ravi Kumar, V. Operations Research. I K International Publishing, New Delhi, 2012.

MLA-viite

Veerachamy, R and Ravi Kumar, V. Operations Research. 2012.