APA
Wiest J. D., Levy F. K., . (1988). Management Guide To PERT/CPM : With GERT/PDM/DCPM And Other. : Prentice-Hall of India Pvt. Ltd.
Chicago
Wiest J D, Levy F K, . 1988. Management Guide To PERT/CPM : With GERT/PDM/DCPM And Other. : Prentice-Hall of India Pvt. Ltd.
Harvard
Wiest J. D., Levy F. K., . (1988). Management Guide To PERT/CPM : With GERT/PDM/DCPM And Other. : Prentice-Hall of India Pvt. Ltd.
MLA
Wiest J D, Levy F K, . Management Guide To PERT/CPM : With GERT/PDM/DCPM And Other. : Prentice-Hall of India Pvt. Ltd. 1988.