American Society of Civil Engineers. Pipeline Division, ebrary, Inc, Hovland, T. J., & Najafi, M. (2009). Inspecting pipeline installation. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)American Society of Civil Engineers. Pipeline Division, Inc ebrary, T. J. Hovland, och Mohammad Najafi. Inspecting Pipeline Installation. Reston, VA: American Society of Civil Engineers, 2009.
MLA-referens (9:e uppl.)American Society of Civil Engineers. Pipeline Division, et al. Inspecting Pipeline Installation. American Society of Civil Engineers, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.