American Society of Civil Engineers Board of Direction. (2015). Journal of the Board of Direction. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)American Society of Civil Engineers Board of Direction. Journal of the Board of Direction. Ann Arbor, Mich: American Society of Civil Engineers, 2015.
MLA-referens (8:e uppl.)American Society of Civil Engineers Board of Direction. Journal of the Board of Direction. American Society of Civil Engineers, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.