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Dyfyniad Arddull ChicagoUnited Nations industrial development organisations, Partha Dasgupta, Amartya Sen, and Stephen A. Marglin. Guidelines for Project Evaluation. Delhi: Oxford & IBH, 1972.
Dyfyniad MLAUnited Nations industrial development organisations, et al. Guidelines for Project Evaluation. Oxford & IBH, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.