Sharma, J. K. (1997). Operations Research (3rd ed. 9 copie 4th ed. 5 copie.). Macmillan Publishers India Ltd.
Lua i Stíl Chicago (17ú heag.)Sharma, J K. Operations Research. 3rd ed. 9 copie 4th ed. 5 copie. New Delhi: Macmillan Publishers India Ltd, 1997.
Lua MLA (9ú heag.)Sharma, J K. Operations Research. 3rd ed. 9 copie 4th ed. 5 copie. Macmillan Publishers India Ltd, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.