Puttaswamaiah, K. (1989). Project evaluation criteria and cost-benefit analysis (2nd ed.). Oxford & IBH.
Lua i Stíl Chicago (17ú heag.)Puttaswamaiah, K. Project Evaluation Criteria and Cost-benefit Analysis. 2nd ed. New Delhi: Oxford & IBH, 1989.
Lua MLA (8ú heag.)Puttaswamaiah, K. Project Evaluation Criteria and Cost-benefit Analysis. 2nd ed. Oxford & IBH, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.