COUGHLAN, R. (1981). The world of Michelangelo 1475-1564. Time-Life Books.
Lua i Stíl Chicago (17ú heag.)COUGHLAN, Robert. The World of Michelangelo 1475-1564. USA: Time-Life Books, 1981.
Lua MLA (9ú heag.)COUGHLAN, Robert. The World of Michelangelo 1475-1564. Time-Life Books, 1981.
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