Não informado. (1972). Studies in the history of art. National Gallery of Art.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Studies in the History of Art. Washington: National Gallery of Art, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Studies in the History of Art. National Gallery of Art, 1972.
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