APA (7e ed.) Bronvermelding
Schnapf, L. P. (2003). States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute.
Chicago (17e ed.) Bronvermelding
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Washington, D.C.: Environmental Law Institute, 2003.
MLA (9e ed.) Bronvermelding
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.