The Frick Collection. (1954). The Frick Collection: Paintings.
Chicago-Zitierstil (17. Ausg.)The Frick Collection. The Frick Collection: Paintings. New York, 1954.
MLA-Zitierstil (8. Ausg.)The Frick Collection. The Frick Collection: Paintings. 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.