Cruz, J. J. (1980). PERT/CPM program evaluation review technique/critical path method. Philippine Engineering Journal.
Chicago (17e ed.) BronvermeldingCruz, Jose J. "PERT/CPM Program Evaluation Review Technique/critical Path Method." Philippine Engineering Journal 1980.
MLA (9e ed.) BronvermeldingCruz, Jose J. "PERT/CPM Program Evaluation Review Technique/critical Path Method." Philippine Engineering Journal, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.