Smith, P. I. (1947). Practical plastics illustrated: A clear and comprehensive guide to the princples and practice of modern plastics. Odhams Press.
शिकागो स्टाइल उद्धरणSmith, Paul I. Practical Plastics Illustrated: A Clear and Comprehensive Guide to the Princples and Practice of Modern Plastics. London: Odhams Press, 1947.
एमएलए उद्धरणSmith, Paul I. Practical Plastics Illustrated: A Clear and Comprehensive Guide to the Princples and Practice of Modern Plastics. Odhams Press, 1947.
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