एपीए उद्धरण

Robertson D C. (1967). Project Planning and Control: Simplified Critical Path Analysis. Heywood Books.

शिकागो स्टाइल उद्धरण

Robertson D C. Project Planning and Control: Simplified Critical Path Analysis. London: Heywood Books, 1967.

एमएलए उद्धरण

Robertson D C. Project Planning and Control: Simplified Critical Path Analysis. Heywood Books, 1967.