APA-referens

Goel, B. S. M. (1990). Operations research (10 edition.).

Chicago-stil citat

Goel, B S; Mittal. Operations Research. 10 edition. Pragati Prakashan: Meerut, 1990.

MLA-referens

Goel, B S; Mittal. Operations Research. 10 edition. 1990.