APA-referens (7:e uppl.)

Swarup, K. ;. G. (2015). Operations research. S.Chand & Sons.

Chicago-referens (17:e uppl.)

Swarup, Kanti ; Gupta. Operations Research. New Delhi: S.Chand & Sons, 2015.

MLA-referens (9:e uppl.)

Swarup, Kanti ; Gupta. Operations Research. S.Chand & Sons, 2015.