American Society of Civil Engineers. Low Impact Development Committee & Clar, M. L. (2015). Low impact development technology: Implementation and economics. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)American Society of Civil Engineers. Low Impact Development Committee och Michael L. Clar. Low Impact Development Technology: Implementation and Economics. Reston, Virginia: American Society of Civil Engineers, 2015.
MLA-referens (9:e uppl.)American Society of Civil Engineers. Low Impact Development Committee och Michael L. Clar. Low Impact Development Technology: Implementation and Economics. American Society of Civil Engineers, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.