Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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