Ulman, L. (1966). The rise of the national trade union: The development and significance of its structure, governing institutions and economic policies. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUlman, Lloyd. The Rise of the National Trade Union: The Development and Significance of Its Structure, Governing Institutions and Economic Policies. Cambridge: Harvard University Press, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUlman, Lloyd. The Rise of the National Trade Union: The Development and Significance of Its Structure, Governing Institutions and Economic Policies. Harvard University Press, 1966.
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