Dyfyniad APA

Commager, H. S. (1950). Pictorial history of the world. Picture History Book.

Dyfyniad Arddull Chicago

Commager, Henry Steele. Pictorial History of the World. New York: Picture History Book, 1950.

Dyfyniad MLA

Commager, Henry Steele. Pictorial History of the World. Picture History Book, 1950.

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