Levin, R. I., Kirkpatrick, & Charles Atkinson. (1966). Planning and control with PERT/CPM. McGraw-Hill.
Chicago Stili AlıntıLevin, Richard I., Kirkpatrick, ve Charles Atkinson. Planning and Control with PERT/CPM. New York: McGraw-Hill, 1966.
MLA AlıntıLevin, Richard I., et al. Planning and Control with PERT/CPM. McGraw-Hill, 1966.
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