Giotto, 1., Bonaventure, S., Chesterton, G. K., & Cowles, E. M. (1931). Giotto: The legend of St. Francis as depicted in the Assisi frescoes. E.P. Dutton & Co.; J.M. Dent & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGiotto, 1266?-1337, Saint Bonaventure, G. K. Chesterton, और Edith M. Cowles. Giotto: The Legend of St. Francis as Depicted in the Assisi Frescoes. New York : London, Toronto: E.P. Dutton & Co.; J.M. Dent & Sons, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGiotto, 1266?-1337, et al. Giotto: The Legend of St. Francis as Depicted in the Assisi Frescoes. E.P. Dutton & Co.; J.M. Dent & Sons, 1931.
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