Dyfyniad APA

Eco, U. (1986). Art and beauty in the middle ages. Yale University.

Dyfyniad Arddull Chicago

Eco, Umberto. Art and Beauty in the Middle Ages. London: Yale University, 1986.

Dyfyniad MLA

Eco, Umberto. Art and Beauty in the Middle Ages. Yale University, 1986.

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