Não informado. (2009). Proceedings of the Section of Sciences. North-Holland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Section of Sciences. Amsterdam: North-Holland, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Section of Sciences. North-Holland, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.