Robertson D C. (1967). Project Planning and Control: Simplified Critical Path Analysis. Heywood Books.
Dyfyniad Arddull ChicagoRobertson D C. Project Planning and Control: Simplified Critical Path Analysis. London: Heywood Books, 1967.
Dyfyniad MLARobertson D C. Project Planning and Control: Simplified Critical Path Analysis. Heywood Books, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.