Philadelphia Museum of Art, Hiesinger, U. W., & Percy, A. (1980). A Scholar collects: Selections from the Anthony Morris Clark bequest. Philadelphia Museum of Art.
Citace podle Chicago (17th ed.)Philadelphia Museum of Art, Ulrich W. Hiesinger, a Ann Percy. A Scholar Collects: Selections from the Anthony Morris Clark Bequest. Philadelphia: Philadelphia Museum of Art, 1980.
Citace podle MLA (8th ed.)Philadelphia Museum of Art, et al. A Scholar Collects: Selections from the Anthony Morris Clark Bequest. Philadelphia Museum of Art, 1980.
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