Thalmair, F. (2013). The Content of Form: The Collection Represented by Helmut Draxler : Generali Foundation, Wien, 17.5.-25.8.2013. Kunstforum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThalmair, Franz. "The Content of Form: The Collection Represented by Helmut Draxler : Generali Foundation, Wien, 17.5.-25.8.2013." Kunstforum 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThalmair, Franz. "The Content of Form: The Collection Represented by Helmut Draxler : Generali Foundation, Wien, 17.5.-25.8.2013." Kunstforum, 2013.
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