Williams, R. E., Janus, P. A., & Huhn, K. C. (1974). NLRB regulation of election conduct: A study of the National Labor Relations Board's policies and standards for setting aside representation elections based on postelection objections. Industrial Research Unit, Wharton School, University of Pennsylvania; distributed by University of Pennsylvania Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Robert E., Peter A. Janus, और Kenneth C. Huhn. NLRB Regulation of Election Conduct: A Study of the National Labor Relations Board's Policies and Standards for Setting Aside Representation Elections Based on Postelection Objections. Philadelphia: Industrial Research Unit, Wharton School, University of Pennsylvania; distributed by University of Pennsylvania Press, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Robert E., et al. NLRB Regulation of Election Conduct: A Study of the National Labor Relations Board's Policies and Standards for Setting Aside Representation Elections Based on Postelection Objections. Industrial Research Unit, Wharton School, University of Pennsylvania; distributed by University of Pennsylvania Press, 1974.