American Society of Civil Engineers. Task Committee on Steel Penstock Design, ebrary, Inc, & Bambei, J. H. (2012). Steel penstocks (2nd ed.). American Society of Civil Engineers.
Citazione stile Chigago Style (17a edizione)American Society of Civil Engineers. Task Committee on Steel Penstock Design, Inc ebrary, e John H. Bambei. Steel Penstocks. 2nd ed. Reston: American Society of Civil Engineers, 2012.
Citatione MLA (9a ed.)American Society of Civil Engineers. Task Committee on Steel Penstock Design, et al. Steel Penstocks. 2nd ed. American Society of Civil Engineers, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.