Dyfyniad APA

American Water Works Association & ebrary, Inc. (1998). Steel water-storage tanks. American Water Works Association.

Dyfyniad Arddull Chicago

American Water Works Association and Inc ebrary. Steel Water-storage Tanks. Denver, Colo.: American Water Works Association, 1998.

Dyfyniad MLA

American Water Works Association and Inc ebrary. Steel Water-storage Tanks. American Water Works Association, 1998.

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