Cita APA

Goel, B. S., & Mittal, S. R. (1980). Operations research (4th ed.). Pragati Prakashan.

Chicago Edition Citation

Goel, B. S., i S. R. Mittal. Operations Research. 4th ed. Meerut: Pragati Prakashan, 1980.

Cita MLA

Goel, B. S., i S. R. Mittal. Operations Research. 4th ed. Pragati Prakashan, 1980.