Παραπομπή APA

National Productivity Council. (1961). Foundry industry in Sweden USA and Japan. National productivity council.

Παραπομπή Chicago Style

National Productivity Council. Foundry Industry in Sweden USA and Japan. New Delhi: National productivity council, 1961.

Παραπομπή MLA

National Productivity Council. Foundry Industry in Sweden USA and Japan. National productivity council, 1961.