APA-viite

Gupta, P. (1995). Introduction to operations research. S.Chand & company.

Chicago-tyylinen lähdeviittaus

Gupta, Premkumar. Introduction to Operations Research. New Delhi: S.Chand & company, 1995.

MLA-viite

Gupta, Premkumar. Introduction to Operations Research. S.Chand & company, 1995.