Wiest . Jerome D & Levy, F. K. (1974). A Management Guide To PERT/CPM (2nd.). Prentice-Hall of India.
Chicago Style aipamenaWiest . Jerome D and Ferdinand K. Levy. A Management Guide To PERT/CPM. 2nd. New Delhi: Prentice-Hall of India, 1974.
MLA aipamenaWiest . Jerome D and Ferdinand K. Levy. A Management Guide To PERT/CPM. 2nd. Prentice-Hall of India, 1974.
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