Dyfyniad APA

Roosevelt, T. (1962). Theodore Roosevelt's America: Selections from the writing of the Oyster Bay naturalist. Doubleday.

Dyfyniad Arddull Chicago

Roosevelt, Theodore. Theodore Roosevelt's America: Selections from the Writing of the Oyster Bay Naturalist. Garden City: Doubleday, 1962.

Dyfyniad MLA

Roosevelt, Theodore. Theodore Roosevelt's America: Selections from the Writing of the Oyster Bay Naturalist. Doubleday, 1962.

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