Tohutoro APA (7th ed.)

D. Wiest, J., & K. Levy, F. (1977). A Manangement Guide to PERT/CPM (2nd ed.). PHI Learning.

Tohutoru Kātū Chicago (17th ed.)

D. Wiest, Jerome, me Ferdinand K. Levy. A Manangement Guide to PERT/CPM. 2nd ed. New Delhi, India: PHI Learning, 1977.

Tohutoro MLA (9th ed.)

D. Wiest, Jerome, me Ferdinand K. Levy. A Manangement Guide to PERT/CPM. 2nd ed. PHI Learning, 1977.