Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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