Cita APA (7th ed.)
Hummel, K. A., & Weston, T. (2003). States face pressure to assess more of the nation's waters and place more stringent clean water act limits on permittees. Environmental Law Institute.
Cita Chicago (17th ed.)
Hummel, Kimberly A., i Timothy Weston. States Face Pressure to Assess More of the Nation's Waters and Place More Stringent Clean Water Act Limits on Permittees. Washington, D.C.: Environmental Law Institute, 2003.
Cita MLA (9th ed.)
Hummel, Kimberly A., i Timothy Weston. States Face Pressure to Assess More of the Nation's Waters and Place More Stringent Clean Water Act Limits on Permittees. Environmental Law Institute, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.