Bellace, J. R., Berkowitz, A. D., & Van Dusen, B. D. (1979). The Landrum-Griffin Act: Twenty years of federal protection of union members' rights. Industrial Research Unit, Wharton School, University of Pennsylvania.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBellace, Janice R., Alan D. Berkowitz, और Bruce D. Van Dusen. The Landrum-Griffin Act: Twenty Years of Federal Protection of Union Members' Rights. Philadelphia: Industrial Research Unit, Wharton School, University of Pennsylvania, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBellace, Janice R., et al. The Landrum-Griffin Act: Twenty Years of Federal Protection of Union Members' Rights. Industrial Research Unit, Wharton School, University of Pennsylvania, 1979.
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