Dyfyniad APA

U.S. Bureau of Reclamation. (1961). Design of small dams. U.S. Govt. Print. Off.

Dyfyniad Arddull Chicago

U.S. Bureau of Reclamation. Design of Small Dams. Washington: U.S. Govt. Print. Off, 1961.

Dyfyniad MLA

U.S. Bureau of Reclamation. Design of Small Dams. U.S. Govt. Print. Off, 1961.

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