(1976). The chemical industries and the working environment. Geneva: International Labour Office.
शिकागो स्टाइल उद्धरणThe Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.
एमएलए उद्धरणThe Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.