APA-viite (7. p.)

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.