Najafi, M., & Gokhale, S. (2005). Trenchless technology: Pipeline and utility design, construction, and renewal. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Najafi, Mohammad, e Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. New York: McGraw-Hill, 2005.
Citatione MLA (9a ed.)Najafi, Mohammad, e Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. McGraw-Hill, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.