Citazione APA

National productivity council. (1965). Refractories industry in USA, Britain and West Germany. National productivity council.

Stile di citazione Chicago

National productivity council. Refractories Industry in USA, Britain and West Germany. New Delhi: National productivity council, 1965.

Citazione MLA

National productivity council. Refractories Industry in USA, Britain and West Germany. National productivity council, 1965.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.