Παραπομπή APA

Colley, J. (1979). Operations planning and control. Tata Mcgraw hill publishing company Ltd.

Παραπομπή Chicago Style

Colley, J.L. Operations Planning and Control. New Delhi: Tata Mcgraw hill publishing company Ltd, 1979.

Παραπομπή MLA

Colley, J.L. Operations Planning and Control. Tata Mcgraw hill publishing company Ltd, 1979.