Jones, P. B. (2002). Exhibiton Eco: Solar Building, Ecopark, Hartberg, Austria : Architekt: Konrad Frey. The Architectural Review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJones, Peter Blundell. "Exhibiton Eco: Solar Building, Ecopark, Hartberg, Austria : Architekt: Konrad Frey." The Architectural Review 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJones, Peter Blundell. "Exhibiton Eco: Solar Building, Ecopark, Hartberg, Austria : Architekt: Konrad Frey." The Architectural Review, 2002.
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