European Center for Research and Education in the Glass Arts. Euro Dico Verrier , glass dictionary.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Center for Research and Education in the Glass Arts. Euro Dico Verrier , Glass Dictionary.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Center for Research and Education in the Glass Arts. Euro Dico Verrier , Glass Dictionary.
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