Philadelphia Museum of Art. (1976). Philadelphia, three centuries of american art: Bicentennial exhibition, april 11-october 10, 1976. Philadelphia Museum of Art.
Dyfyniad Arddull ChicagoPhiladelphia Museum of Art. Philadelphia, Three Centuries of American Art: Bicentennial Exhibition, April 11-october 10, 1976. Philadelphia: Philadelphia Museum of Art, 1976.
Dyfyniad MLAPhiladelphia Museum of Art. Philadelphia, Three Centuries of American Art: Bicentennial Exhibition, April 11-october 10, 1976. Philadelphia Museum of Art, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.