(1988). Vienna 1880-1930: Paintings and drawings. Sotheby's.
Chicago-Zitierstil (17. Ausg.)Vienna 1880-1930: Paintings and Drawings. London: Sotheby's, 1988.
MLA-Zitierstil (8. Ausg.)Vienna 1880-1930: Paintings and Drawings. Sotheby's, 1988.
警告：这些引文格式不一定是100％准确.