Dyfyniad APA

(1969). Album of American history. New York: Scribner.

Dyfyniad Arddull Chicago

Album of American History. New York: Scribner, 1969.

Dyfyniad MLA

Album of American History. New York: Scribner, 1969.

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