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Lua i Stíl Chicago (17ú heag.)Stephan, Petra. "Galleria Centercity in Cheonan: Design: UNStudio, Amsterdam." AIT 2011.
Lua MLA (8ú heag.)Stephan, Petra. "Galleria Centercity in Cheonan: Design: UNStudio, Amsterdam." AIT, 2011.
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