Puttaswamaiah, K. (1989). Project evaluation criteria and cost-benefit analysis (2nd ed.). Oxford & IBH.
Dyfyniad Arddull ChicagoPuttaswamaiah, K. Project Evaluation Criteria and Cost-benefit Analysis. 2nd ed. New Delhi: Oxford & IBH, 1989.
Dyfyniad MLAPuttaswamaiah, K. Project Evaluation Criteria and Cost-benefit Analysis. 2nd ed. Oxford & IBH, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.