American Society of Civil Engineers. Committee on Specifications. (2013). Preparation of construction specifications for civil projects. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)American Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. Reston, Virginia: American Society of Civil Engineers, 2013.
MLA-referens (9:e uppl.)American Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. American Society of Civil Engineers, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.