Gupta, P. K. (2025). Operations research (7th.). S Chand Publishing, Noida.
Chicago Style aipamenaGupta, P. K. Operations Research. 7th. S Chand Publishing, Noida, 2025.
MLA aipamenaGupta, P. K. Operations Research. 7th. S Chand Publishing, Noida, 2025.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.