Παραπομπή APA

Puttaswamaiah, K. (1980). Project evaluation criteria and cost -benefit analysis. Oxford I B H publishing company.

Παραπομπή Chicago Style

Puttaswamaiah, K. Project Evaluation Criteria and Cost -benefit Analysis. New Delhi: Oxford I B H publishing company, 1980.

Παραπομπή MLA

Puttaswamaiah, K. Project Evaluation Criteria and Cost -benefit Analysis. Oxford I B H publishing company, 1980.