APA-viite (7. p.)
Wiessner, C. (2001). Regulatory innovation: Lessons learned from EPA's project XL and three Minnesota project XL pilots. Environmental Law Institute.
Chicago-viite (17. p.)
Wiessner, Carol. Regulatory Innovation: Lessons Learned from EPA's Project XL and Three Minnesota Project XL Pilots. Washington, D.C.: Environmental Law Institute, 2001.
MLA-viite (9. p.)
Wiessner, Carol. Regulatory Innovation: Lessons Learned from EPA's Project XL and Three Minnesota Project XL Pilots. Environmental Law Institute, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.