Não informado. (2003). Materials Science. Wroclaw University of Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Materials Science. Wroclaw, Polonia: Wroclaw University of Technology, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Materials Science. Wroclaw University of Technology, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.