Παραπομπή APA

Kalavathy,S. (2013). Operations Research (4thed.). Vikas.

Παραπομπή Chicago Style

Kalavathy,S. Operations Research. 4thed. Newdelhi: Vikas, 2013.

Παραπομπή MLA

Kalavathy,S. Operations Research. 4thed. Vikas, 2013.