Thiel, W. (1996). Pia Stadtbäumer: The symbol as an attribute of allegory. Flash Art.
Lua i Stíl Chicago (17ú heag.)Thiel, Wolf-Günter. "Pia Stadtbäumer: The Symbol as an Attribute of Allegory." Flash Art 1996.
Lua MLA (8ú heag.)Thiel, Wolf-Günter. "Pia Stadtbäumer: The Symbol as an Attribute of Allegory." Flash Art, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.