Manas, V. T. (1957). National plumbing code handbook: Standards and design information. Chapters relating to research and special technical material by H. N. Eaton. McGraw-Hill.
Dyfyniad Arddull ChicagoManas, Vincent Thomas. National Plumbing Code Handbook: Standards and Design Information. Chapters Relating to Research and Special Technical Material by H. N. Eaton. New York: McGraw-Hill, 1957.
Dyfyniad MLAManas, Vincent Thomas. National Plumbing Code Handbook: Standards and Design Information. Chapters Relating to Research and Special Technical Material by H. N. Eaton. McGraw-Hill, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.