Jansen, M. H. (1998). The Environment As A Resources (developing environmental information systems based on enterprise resource planning software). NWO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJansen, Monique Henriette. The Environment As A Resources (developing Environmental Information Systems Based on Enterprise Resource Planning Software). NWO, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJansen, Monique Henriette. The Environment As A Resources (developing Environmental Information Systems Based on Enterprise Resource Planning Software). NWO, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.