Cachola Schmal, P., Flagge, I., & Mildner, J. (2005). The new premises of the European Central Bank: International architectural competition. Birkhäuser.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCachola Schmal, Peter, Ingeborg Flagge, और Joachim Mildner. The New Premises of the European Central Bank: International Architectural Competition. Basel [u.a.]: Birkhäuser, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCachola Schmal, Peter, et al. The New Premises of the European Central Bank: International Architectural Competition. Birkhäuser, 2005.
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