Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.