Gaya APA

Levin, R, I., Kirkpatrik, C, A. (1981). Planning and control with PERT/CPM . New Delhi: Tata McGraw-Hill Pub.Co..

Gaya MLA

Levin, Richard, I., Kirkpatrik, Charles, A. "Planning and control with PERT/CPM". New Delhi: Tata McGraw-Hill Pub.Co., 1981. Text.