Gupta, M. (2006). Quantitative techniques for decision making (2nd.). Prentice-Hall of India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Gupta, M. Quantitative Techniques for Decision Making. 2nd. New Delhi: Prentice-Hall of India Pvt. Ltd, 2006.
Lua MLA (9ú heag.)Gupta, M. Quantitative Techniques for Decision Making. 2nd. Prentice-Hall of India Pvt. Ltd, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.