United Nations. Industrial Development Organisation, Vienna. (1984). World non-electrical machinery: An empirical study of the machine tool industry. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organisation, Vienna. World Non-electrical Machinery: An Empirical Study of the Machine Tool Industry. United Nations, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organisation, Vienna. World Non-electrical Machinery: An Empirical Study of the Machine Tool Industry. United Nations, 1984.
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