Galenson, W. (1955). Labor productivity in Soviet and American industry. Columbia University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGalenson, Walter. Labor Productivity in Soviet and American Industry. New York: Columbia University Press, 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGalenson, Walter. Labor Productivity in Soviet and American Industry. Columbia University Press, 1955.
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