Cita APA (7th ed.)
Schnapf, L. P. (2003). States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute.
Cita Chicago (17th ed.)
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Washington, D.C.: Environmental Law Institute, 2003.
Cita MLA (9th ed.)
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.