Παραπομπή APA

Punmia B.C & Khandelwal K .K. Project planning and control with pert and cpm (2002.). Laxmi publishings pvt ltd.

Παραπομπή Chicago Style

Punmia B.C και Khandelwal K .K. Project Planning and Control with Pert and Cpm. 2002. New Delhi: Laxmi publishings pvt ltd.

Παραπομπή MLA

Punmia B.C και Khandelwal K .K. Project Planning and Control with Pert and Cpm. 2002. Laxmi publishings pvt ltd.