APA-čujuhus (7. p.)
Hartt, F. Michelangelo Buonarroti Michelangelo / text by Frederick Hartt chairman, Departmet of Art, University of Virginia.
Chicago-čujuhus (17. p.)
Hartt, Frederick. Michelangelo Buonarroti Michelangelo / Text by Frederick Hartt Chairman, Departmet of Art, University of Virginia.
MLA-čujuhus (9. p.)
Hartt, Frederick. Michelangelo Buonarroti Michelangelo / Text by Frederick Hartt Chairman, Departmet of Art, University of Virginia.
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