WALLACE, R. (1975). The world of Leonardo 1452-1519. Time-Life Books.
Chicago-čujuhus (17. p.)WALLACE, Robert. The World of Leonardo 1452-1519. Nederland: Time-Life Books, 1975.
MLA-čujuhus (9. p.)WALLACE, Robert. The World of Leonardo 1452-1519. Time-Life Books, 1975.
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