एपीए उद्धरण

Levin, R. I., Kirkpatrick, & Charles Atkinson. (1966). Planning and control with PERT/CPM. McGraw-Hill.

शिकागो स्टाइल उद्धरण

Levin, Richard I., Kirkpatrick, और Charles Atkinson. Planning and Control with PERT/CPM. New York: McGraw-Hill, 1966.

एमएलए उद्धरण

Levin, Richard I., et al. Planning and Control with PERT/CPM. McGraw-Hill, 1966.