Philadelphia Museum of Art. (1977). Gifts to mark a century: An exhibition celebrating the centennial of the Philadelphia Museum of Art, 18 February to 20 March, 1977, Philadelphia Museum of Art. The Museum.
Chicago-Zitierstil (17. Ausg.)Philadelphia Museum of Art. Gifts to Mark a Century: An Exhibition Celebrating the Centennial of the Philadelphia Museum of Art, 18 February to 20 March, 1977, Philadelphia Museum of Art. Philadelphia: The Museum, 1977.
MLA-Zitierstil (8. Ausg.)Philadelphia Museum of Art. Gifts to Mark a Century: An Exhibition Celebrating the Centennial of the Philadelphia Museum of Art, 18 February to 20 March, 1977, Philadelphia Museum of Art. The Museum, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.