एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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