GUPTA, P. (1996). OPERATIONS RESEARCH. S.CHAND & CO.
Chicago Style aipamenaGUPTA, P.K. OPERATIONS RESEARCH. DELHI: S.CHAND & CO, 1996.
MLA aipamenaGUPTA, P.K. OPERATIONS RESEARCH. S.CHAND & CO, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.