Não informado. (2000). ISPRS Highlights. Intenational Society for Photogrammetry and Remote Sensing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. ISPRS Highlights. [s.l.]: Intenational Society for Photogrammetry and Remote Sensing, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. ISPRS Highlights. Intenational Society for Photogrammetry and Remote Sensing, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.