Dyfyniad APA

(1961). The Encyclopedia Americana: The international reference work. Americana Corp. of Canada.

Dyfyniad Arddull Chicago

The Encyclopedia Americana: The International Reference Work. Montreal: Americana Corp. of Canada, 1961.

Dyfyniad MLA

The Encyclopedia Americana: The International Reference Work. Americana Corp. of Canada, 1961.

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