National Productivity Council. (1961). Foundry industry in Sweden USA and Japan. National productivity council.
استشهاد بنمط شيكاغوNational Productivity Council. Foundry Industry in Sweden USA and Japan. New Delhi: National productivity council, 1961.
MLA استشهادNational Productivity Council. Foundry Industry in Sweden USA and Japan. National productivity council, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.