Nivola, P. S., & Shields, J. A. (2001). Managing green mandates: Local rigors of U.S. environmental regulation. AEI-Brookings Joint Center for Regulatory Studies.
Chicago-viite (17. p.)Nivola, Pietro S., ja Jon A. Shields. Managing Green Mandates: Local Rigors of U.S. Environmental Regulation. Washington, D.C.: AEI-Brookings Joint Center for Regulatory Studies, 2001.
MLA-viite (9. p.)Nivola, Pietro S., ja Jon A. Shields. Managing Green Mandates: Local Rigors of U.S. Environmental Regulation. AEI-Brookings Joint Center for Regulatory Studies, 2001.
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