Dyfyniad APA

American Library Association. (1972). Natural register of historic places. State of liberty national monument.

Dyfyniad Arddull Chicago

American Library Association. Natural Register of Historic Places. New York: State of liberty national monument, 1972.

Dyfyniad MLA

American Library Association. Natural Register of Historic Places. State of liberty national monument, 1972.

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