American Academy of Political and Social Science. Philadelphia. (1957). Current issues in international labor relations. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Academy of Political and Social Science. Philadelphia. Current Issues in International Labor Relations. Philadelphia: s.n, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Academy of Political and Social Science. Philadelphia. Current Issues in International Labor Relations. s.n, 1957.
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