Romer, A. E., Bosserman, B. E., & Bell, G. E. C. (2009). Corrosion control for buried water mains: Pocket field guide. American Water Works Association.
Dyfyniad Arddull ChicagoRomer, Andrew E., Bayard E. Bosserman, and Graham E. C. Bell. Corrosion Control for Buried Water Mains: Pocket Field Guide. Denver, Colo.: American Water Works Association, 2009.
Dyfyniad MLARomer, Andrew E., et al. Corrosion Control for Buried Water Mains: Pocket Field Guide. American Water Works Association, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.