Παραπομπή APA

Eris, R. L., & Baker, B. (1963). Introduction to PERT-CPM. Richard D Irwin.

Παραπομπή Chicago Style

Eris, Reue L., και Bruce Baker. Introduction to PERT-CPM. New York: Richard D Irwin, 1963.

Παραπομπή MLA

Eris, Reue L., και Bruce Baker. Introduction to PERT-CPM. Richard D Irwin, 1963.