Dyfyniad APA

Day, L. J. Standard plumbing details for architects, engineers, contractors, plumbers and students. Wiley, 1938.

Dyfyniad Arddull Chicago

Day, Louis J. Standard Plumbing Details for Architects, Engineers, Contractors, Plumbers and Students. New York: Wiley, 1938.

Dyfyniad MLA

Day, Louis J. Standard Plumbing Details for Architects, Engineers, Contractors, Plumbers and Students. Wiley, 1938.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.