Kalavathy S. (2013). Operations Research (4th.). Vikas Publishing Housr Pvt Ltd.
Citazione stile Chigago Style (17a edizione)Kalavathy S. Operations Research. 4th. New Delhi: Vikas Publishing Housr Pvt Ltd, 2013.
Citatione MLA (9a ed.)Kalavathy S. Operations Research. 4th. Vikas Publishing Housr Pvt Ltd, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.