Organisation for Economics Co-operation and Development. (1972). The engineering industries in OECD member countries: Basic statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development.
शिकागो स्टाइल उद्धरणOrganisation for Economics Co-operation and Development. The Engineering Industries in OECD Member Countries: Basic Statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development, 1972.
एमएलए उद्धरणOrganisation for Economics Co-operation and Development. The Engineering Industries in OECD Member Countries: Basic Statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.