Hajdamach, C. R. (2006). The International Festival of Glass and the British Glass Biennale. Neues Glas.
Lua i Stíl Chicago (17ú heag.)Hajdamach, Charles R. "The International Festival of Glass and the British Glass Biennale." Neues Glas 2006.
Lua MLA (8ú heag.)Hajdamach, Charles R. "The International Festival of Glass and the British Glass Biennale." Neues Glas, 2006.
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