Foster, W. Z. (1960). Pages from a worker's life. International Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFoster, William Z. Pages from a Worker's Life. New York: International Publishers, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFoster, William Z. Pages from a Worker's Life. International Publishers, 1960.
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