Kapoor, V. (1999). Operations research problems and solutions (4th.). Sultan Chand.
Chicago-viite (17. p.)Kapoor, V. Operations Research Problems and Solutions. 4th. New Delhi: Sultan Chand, 1999.
MLA-viite (9. p.)Kapoor, V. Operations Research Problems and Solutions. 4th. Sultan Chand, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.