Παραπομπή APA

Chawla, K. K., Gupta, V., Sharma, B. K., & Isha. (2017). Operations research. Kalyani.

Παραπομπή Chicago Style

Chawla, K. K., Vijay Gupta, Bhushan K. Sharma, και Isha. Operations Research. Ludhiyana: Kalyani, 2017.

Παραπομπή MLA

Chawla, K. K., et al. Operations Research. Kalyani, 2017.