National Gallery of Art (U.S.). Studies in the history of art. National Gallery of Art.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Gallery of Art (U.S.). Studies in the History of Art. Washington: National Gallery of Art.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Gallery of Art (U.S.). Studies in the History of Art. National Gallery of Art.
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