Wiest Jerome D & Levy F.K. (1977). Management guide to PERT / CPM: With GERT/DDM/DCPM and other network (2nd ed.). Prentice Hall of India pvt. ltd.
Παραπομπή Chicago StyleWiest Jerome D και Levy F.K. Management Guide to PERT / CPM: With GERT/DDM/DCPM and Other Network. 2nd ed. New Delhi: Prentice Hall of India pvt. ltd, 1977.
Παραπομπή MLAWiest Jerome D και Levy F.K. Management Guide to PERT / CPM: With GERT/DDM/DCPM and Other Network. 2nd ed. Prentice Hall of India pvt. ltd, 1977.
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