1. Baird, Charles W. Opportunity or Privilege: Labor Legislation in America. Bowling Green, Ohio: Bowling Green State University: The Social Philosophy and Policy Center, 1984.
2. Becker, Brian E. “Union Rents as A Source of Takeover Gains among Target Shareholders.” Industrial and Labor Relations 49 (October 1995): 3–19.
3. Bennett, James R. “Private Sector Unions: The Myth of Decline.” Journal of Labor Research 12 (Winter 1991): 1–12.
4. Brook, Penelope. Freedom at Work: The Case for Reforming Labour Law in New Zealand. Auckland, New Zealand: Oxford University Press, 1990.
5. Council of Economic Advisers. Economic Report of the President. Washington, D.C.: U.S.G.P.O., annual.