APA-viite

Goel, B. S. M. (1987). Operations research (8 edition.). Pragati Prakashan.

Chicago-tyylinen lähdeviittaus

Goel, B S; Mittal. Operations Research. 8 edition. Meerut: Pragati Prakashan, 1987.

MLA-viite

Goel, B S; Mittal. Operations Research. 8 edition. Pragati Prakashan, 1987.