एपीए उद्धरण

Sumanth, D. J. (1984). Productivity engineering and management. Tata Mcgraw hill.

शिकागो स्टाइल उद्धरण

Sumanth, David J. Productivity Engineering and Management. New Delhi: Tata Mcgraw hill, 1984.

एमएलए उद्धरण

Sumanth, David J. Productivity Engineering and Management. Tata Mcgraw hill, 1984.