Dyfyniad APA

National Gallery of Art (U.S.). Studies in the history of art. National Gallery of Art.

Dyfyniad Arddull Chicago

National Gallery of Art (U.S.). Studies in the History of Art. Washington: National Gallery of Art.

Dyfyniad MLA

National Gallery of Art (U.S.). Studies in the History of Art. National Gallery of Art.

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