Wiest, J. D., & Levy, F. K. (1974). Management guide to PERT/CPM. Prentice Hall of India.
Dyfyniad Arddull ChicagoWiest, Jerome D., and Ferdinand K. Levy. Management Guide to PERT/CPM. New Delhi: Prentice Hall of India, 1974.
Dyfyniad MLAWiest, Jerome D., and Ferdinand K. Levy. Management Guide to PERT/CPM. Prentice Hall of India, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.