American Society of Civil Engineers. Committee on Specifications. (2013). Preparation of construction specifications for civil projects. American Society of Civil Engineers.
Citazione stile Chigago Style (17a edizione)American Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. Reston, Virginia: American Society of Civil Engineers, 2013.
Citatione MLA (9a ed.)American Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. American Society of Civil Engineers, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.