KALAVATHY S. (2004). OPERATIONS RESEARCH (2ND.). VIKAS PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)KALAVATHY S. OPERATIONS RESEARCH. 2ND. NEW DELHI: VIKAS PUBLISHING HOUSE, 2004.
Lua MLA (9ú heag.)KALAVATHY S. OPERATIONS RESEARCH. 2ND. VIKAS PUBLISHING HOUSE, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.