International Association of Machinists, Kelley, W. J., Muelder, W. G., & Goldstein, I. (1955). "Right-to-work" laws: Three moral studies. International Association of Machinists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Association of Machinists, William J. Kelley, Walter George Muelder, और Israel Goldstein. "Right-to-work" Laws: Three Moral Studies. Washington, D.C.: International Association of Machinists, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Association of Machinists, et al. "Right-to-work" Laws: Three Moral Studies. International Association of Machinists, 1955.
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