Levin, R. I., & Kirkpatrick, C. A. (1966). Planning and control with PERT/CPM. McGraw-Hill.
Čikaški stil citiranjaLevin, Richard I., i Charles Atkinson Kirkpatrick. Planning and Control with PERT/CPM. New York: McGraw-Hill, 1966.
MLA način citiranjaLevin, Richard I., i Charles Atkinson Kirkpatrick. Planning and Control with PERT/CPM. McGraw-Hill, 1966.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.