Walsh, J. (2017). Smooth operator: Andreas Siegfried he's the smartest fixers on the contemporary art scene. Christie's.
Chicago-Zitierstil (17. Ausg.)Walsh, John. "Smooth Operator: Andreas Siegfried He's the Smartest Fixers on the Contemporary Art Scene." Christie's 2017.
MLA-Zitierstil (8. Ausg.)Walsh, John. "Smooth Operator: Andreas Siegfried He's the Smartest Fixers on the Contemporary Art Scene." Christie's, 2017.
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